{"id":1418,"date":"2026-01-20T01:28:11","date_gmt":"2026-01-19T17:28:11","guid":{"rendered":"http:\/\/www.preluna.xyz\/?p=1418"},"modified":"2026-01-25T01:19:20","modified_gmt":"2026-01-24T17:19:20","slug":"1418","status":"publish","type":"post","link":"http:\/\/www.preluna.xyz\/index.php\/2026\/01\/20\/1418\/preluna\/technology\/career-skills\/technology-horizon\/","title":{"rendered":"\u6211\u4eec\u4e3a\u4ec0\u4e48\u9700\u8981\u201c\u53d8\u91cf\u201d\uff1f"},"content":{"rendered":"\n<p>\u5b8c\u5168\u4ece\u96f6\u5f00\u59cb\u3002\u5fd8\u6389\u6240\u6709\u8bed\u8a00\u7684\u540d\u5b57\uff0c\u50cf\u7b2c\u4e00\u6b21\u89c2\u5bdf\u4e16\u754c\u4e00\u6837\uff0c\u6765\u8ba4\u8bc6\u7f16\u7a0b\u4e2d\u6700\u57fa\u7840\u3001\u6700\u91cd\u8981\u7684\u6982\u5ff5\u2014\u2014<strong>\u53d8\u91cf<\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e00\u8bfe\uff1a\u6211\u4eec\u4e3a\u4ec0\u4e48\u9700\u8981\u201c\u53d8\u91cf\u201d\uff1f<\/strong><\/h3>\n\n\n\n<p>\u60f3\u8c61\u4e00\u4e2a\u7b80\u5355\u7684\u4efb\u52a1\uff1a\u8bf7\u4f60\u8ba1\u7b97 <code>(5 + 3) * 2<\/code> \u7684\u7ed3\u679c\u3002<\/p>\n\n\n\n<p>\u4f60\u5fc3\u7b97\u4e00\u4e0b\uff0c\u5f97\u5230 <code>16<\/code>\u3002\u7a0b\u5e8f\u53ef\u4ee5\u5199\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>print( (5 + 3) * 2 )<\/code><\/pre>\n\n\n\n<p>\u76f4\u63a5\u5199\u6570\u5b57\uff0c\u4e5f\u80fd\u5b8c\u6210\u3002<\/p>\n\n\n\n<p>\u4f46\u73b0\u5b9e\u4e16\u754c\u8981\u590d\u6742\u5f97\u591a\u3002\u6bd4\u5982\uff0c\u6211\u4eec\u8981\u8ba1\u7b97\u4e00\u4e2a<strong>\u4f1a\u53d8\u5316\u7684\u4e1c\u897f<\/strong>\uff0c\u6bd4\u5982\u7528\u6237\u7684<strong>\u6e38\u620f\u5206\u6570<\/strong>\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e00\u5c40\uff0c\u7528\u6237\u5f97\u4e86 <code>5<\/code> \u5206\u3002<br>\u7b2c\u4e8c\u5c40\uff0c\u4ed6\u53c8\u5f97\u4e86 <code>3<\/code> \u5206\u3002<br>\u6211\u4eec\u60f3\u8ba1\u7b97\u4ed6\u7684\u603b\u5206\uff0c\u518d\u5956\u52b1\u53cc\u500d\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u76f4\u63a5\u5199\u6570\u5b57\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u7b2c\u4e00\u5c40\u540e\ntotal = 5\n# \u7b2c\u4e8c\u5c40\u540e\uff0c\u6211\u4eec\u9700\u8981\u628a\u65b0\u7684\u5206\u6570 3 \u52a0\u8fdb\u53bb... \u600e\u4e48\u529e\uff1f\n# \u6211\u4eec\u65e0\u6cd5\u4fee\u6539 \u201c5\u201d \u8fd9\u4e2a\u6570\u5b57\u672c\u8eab\u3002<\/code><\/pre>\n\n\n\n<p>\u4f60\u4f1a\u53d1\u73b0\uff0c\u5199\u6b7b\u7684\u6570\u5b57\uff08\u6bd4\u5982 <code>5<\/code>\uff09\u662f\u201c\u6b7b\u201d\u7684\uff0c\u5b83\u65e0\u6cd5\u8bb0\u5f55\u53d8\u5316\u7684\u72b6\u6001\u3002\u6211\u4eec\u9700\u8981\u7684\uff0c\u662f\u4e00\u4e2a\u53ef\u4ee5<strong>\u5b58\u653e\u4f1a\u53d8\u5316\u7684\u6570\u636e<\/strong>\u7684\u5bb9\u5668\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u5bb9\u5668\uff0c\u5c31\u662f <strong>\u201c\u53d8\u91cf\u201d<\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u8bfe\uff1a\u7528\u73b0\u5b9e\u4e16\u754c\u7406\u89e3\u53d8\u91cf\u2014\u2014\u201c\u6807\u7b7e\u201d\u548c\u201c\u76d2\u5b50\u201d<\/strong><\/h3>\n\n\n\n<p>\u8fd9\u662f\u7406\u89e3\u53d8\u91cf\u7684\u6700\u4f73\u6bd4\u55bb\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u53d8\u91cf\u662f\u4e00\u4e2a\u201c\u76d2\u5b50\u201d<\/strong>\uff1a\u5728\u8ba1\u7b97\u673a\u7684\u5185\u5b58\u91cc\uff0c\u5f00\u8f9f\u51fa\u4e00\u4e2a\u5c0f\u7a7a\u95f4\uff0c\u7528\u6765\u5b58\u653e\u6570\u636e\uff08\u4e00\u4e2a\u6570\u5b57\u3001\u4e00\u6bb5\u6587\u5b57\u7b49\uff09\u3002<\/li>\n\n\n\n<li><strong>\u53d8\u91cf\u540d\u662f\u201c\u6807\u7b7e\u201d<\/strong>\uff1a\u6211\u4eec\u7ed9\u8fd9\u4e2a\u76d2\u5b50\u8d34\u4e0a\u4e00\u4e2a\u72ec\u4e00\u65e0\u4e8c\u7684\u6807\u7b7e\uff08\u6bd4\u5982 <code>score<\/code>\uff09\uff0c\u8fd9\u6837\u6211\u4eec\u5c31\u4e0d\u7528\u8bb0\u4f4f\u76d2\u5b50\u5728\u5185\u5b58\u4e2d\u590d\u6742\u96be\u8bb0\u7684\u201c\u5730\u5740\u201d\uff08\u6bd4\u5982 <code>0x7ffeeb4c<\/code>\uff09\uff0c\u800c\u53ea\u8981\u901a\u8fc7\u8fd9\u4e2a\u53cb\u597d\u7684\u6807\u7b7e\u540d\uff0c\u5c31\u80fd\u627e\u5230\u5b83\uff0c\u5e76\u4f7f\u7528\u91cc\u9762\u7684\u6570\u636e\u3002<\/li>\n<\/ol>\n\n\n\n<p><strong>\u6838\u5fc3\u64cd\u4f5c\u53ea\u6709\u4e09\u4e2a\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u521b\u5efa\u76d2\u5b50\u5e76\u8d34\u6807\u7b7e<\/strong>\uff08\u58f0\u660e\/\u5b9a\u4e49\u53d8\u91cf\uff09<\/li>\n\n\n\n<li><strong>\u5f80\u76d2\u5b50\u91cc\u653e\u4e1c\u897f<\/strong>\uff08\u8d4b\u503c\uff09<\/li>\n\n\n\n<li><strong>\u770b\u7740\u6807\u7b7e\uff0c\u8bf4\u51fa\u76d2\u5b50\u91cc\u662f\u4ec0\u4e48<\/strong>\uff08\u4f7f\u7528\u53d8\u91cf\u7684\u503c\uff09<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e09\u8bfe\uff1a\u52a8\u624b\u4f53\u9a8c\u2014\u2014\u7528Python\u6765\u73a9\u201c\u8d34\u6807\u7b7e\u201d\u6e38\u620f<\/strong><\/h3>\n\n\n\n<p>\u6211\u4eec\u9009Python\u5f00\u59cb\uff0c\u56e0\u4e3a\u5b83\u7684\u8bed\u6cd5\u6700\u50cf\u6211\u4eec\u7ed9\u76d2\u5b50\u201c\u8d34\u6807\u7b7e\u201d\u548c\u201c\u653e\u4e1c\u897f\u201d\u7684\u81ea\u7136\u52a8\u4f5c\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u7b2c\u4e00\u6b65\uff1a\u521b\u5efa\u5e76\u8d4b\u503c\uff08\u8d34\u4e0a\u6807\u7b7e\uff0c\u653e\u5165\u7269\u54c1\uff09<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>score = 100<\/code><\/pre>\n\n\n\n<p>\u8fd9\u884c\u4ee3\u7801\u5c31\u662f\u6574\u4e2a\u52a8\u4f5c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>=<\/code>\uff1a\u4e0d\u662f\u6570\u5b66\u4e2d\u7684\u201c\u7b49\u4e8e\u201d\uff0c\u800c\u662f <strong>\u201c\u653e\u8fdb\u53bb\u201d<\/strong> \u6216 <strong>\u201c\u6307\u5411\u201d<\/strong> \u7684\u6307\u4ee4\u3002<\/li>\n\n\n\n<li><code>score<\/code>\uff1a\u6211\u4eec\u60f3\u597d\u7684\u6807\u7b7e\u540d\u3002<\/li>\n\n\n\n<li><code>100<\/code>\uff1a\u6211\u4eec\u8981\u653e\u8fdb\u76d2\u5b50\u7684\u5177\u4f53\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6267\u884c\u540e\uff0c\u5185\u5b58\u4e2d\u5c31\u5efa\u7acb\u4e86\u4e00\u4e2a\u5173\u7cfb\uff1a<strong>\u6807\u7b7e <code>score<\/code> \u279c \u76d2\u5b50\u91cc\u7684\u6570\u636e <code>100<\/code><\/strong>\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u6b65\uff1a\u4f7f\u7528\uff08\u770b\u7740\u6807\u7b7e\uff0c\u53d6\u51fa\u7269\u54c1\uff09<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>print(score)  # \u8f93\u51fa\uff1a100\nprint(score * 2)  # \u8f93\u51fa\uff1a200\nprint(score + 50)  # \u8f93\u51fa\uff1a150<\/code><\/pre>\n\n\n\n<p>\u5f53\u6211\u4eec\u4f7f\u7528 <code>score<\/code> \u65f6\uff0c\u8ba1\u7b97\u673a\u4f1a\u6839\u636e\u6807\u7b7e <code>score<\/code> \u627e\u5230\u90a3\u4e2a\u76d2\u5b50\uff0c\u628a\u91cc\u9762\u7684\u6570\u636e <code>100<\/code> \u62ff\u51fa\u6765\u7528\u3002<strong>\u76d2\u5b50\u91cc\u7684\u4e1c\u897f\u4e0d\u53d8\u3002<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u7b2c\u4e09\u6b65\uff1a\u91cd\u65b0\u8d4b\u503c\uff08\u628a\u6807\u7b7e\u6495\u4e0b\u6765\uff0c\u8d34\u5230\u65b0\u76d2\u5b50\u4e0a\uff0c\u6216\u8005\u7ed9\u65e7\u76d2\u5b50\u6362\u65b0\u4e1c\u897f\uff09<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>score = 150\nprint(score)  # \u8f93\u51fa\uff1a150<\/code><\/pre>\n\n\n\n<p>\u8fd9\u884c\u4ee3\u7801\u6267\u884c\u540e\uff0c<strong>\u6807\u7b7e <code>score<\/code> \u4e0d\u518d\u6307\u5411\u88c5\u7740 <code>100<\/code> \u7684\u65e7\u76d2\u5b50\uff0c\u800c\u662f\u6307\u5411\u4e86\u4e00\u4e2a\u88c5\u7740 <code>150<\/code> \u7684\u65b0\u76d2\u5b50<\/strong>\uff08\u6216\u8005\u7406\u89e3\u6210\u628a\u65e7\u76d2\u5b50\u91cc\u7684 <code>100<\/code> \u6362\u6210\u4e86 <code>150<\/code>\uff09\u3002<br>\u539f\u6765\u7684 <code>100<\/code> \u5982\u679c\u6ca1\u6709\u5176\u4ed6\u6807\u7b7e\u6307\u5411\u5b83\uff0c\u5c31\u4f1a\u88ab\u8ba1\u7b97\u673a\u7684\u6e05\u6d01\u5de5\uff08\u5783\u573e\u56de\u6536\u673a\u5236\uff09\u6e05\u7406\u6389\u3002<\/p>\n\n\n\n<p><strong>\u91cd\u70b9\uff1a\u6807\u7b7e\uff08\u53d8\u91cf\u540d\uff09\u6c38\u8fdc\u6307\u5411\u6700\u65b0\u7684\u90a3\u4e2a\u503c\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u56db\u8bfe\uff1a\u53d8\u91cf\u7684\u201c\u53d8\u201d\u4e0e\u201c\u4e0d\u53d8\u201d<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4ec0\u4e48\u5728\u201c\u53d8\u201d\uff1f<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u6807\u7b7e\u6240\u6307\u5411\u7684 <strong>\u201c\u503c\u201d<\/strong> \u53ef\u4ee5\u53d8\u3002<code>score<\/code> \u53ef\u4ee5\u4ece <code>100<\/code> \u53d8\u6210 <code>150<\/code>\u3002<\/li>\n\n\n\n<li>\u8fd9\u4e2a\u80fd\u529b\uff0c\u8ba9\u6211\u4eec\u80fd\u591f\u8bb0\u5f55\u53d8\u5316\u7684\u72b6\u6001\uff08\u6bd4\u5982\u4e0d\u65ad\u589e\u52a0\u7684\u6e38\u620f\u5206\u6570\u3001\u5b9e\u65f6\u53d8\u5316\u7684\u80a1\u4ef7\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u4ec0\u4e48\u201c\u4e0d\u53d8\u201d\uff1f<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>\u6807\u7b7e\uff08\u53d8\u91cf\u540d\uff09\u672c\u8eab\u7684\u610f\u4e49<\/strong> \u5728\u7a0b\u5e8f\u8fd0\u884c\u4e2d\u6700\u597d\u4e0d\u53d8\u3002<code>score<\/code> \u5c31\u5e94\u8be5\u59cb\u7ec8\u4ee3\u8868\u201c\u5206\u6570\u201d\uff0c\u5982\u679c\u4f60\u7a81\u7136\u8ba9\u5b83\u4ee3\u8868\u201c\u7528\u6237\u540d\u201d\uff0c\u5c31\u4f1a\u8ba9\u8bfb\u4ee3\u7801\u7684\u4eba\uff08\u5305\u62ec\u672a\u6765\u7684\u4f60\u81ea\u5df1\uff09\u975e\u5e38\u56f0\u60d1\u3002<\/li>\n\n\n\n<li><strong>\u7f16\u7a0b\u597d\u4e60\u60ef<\/strong>\uff1a\u7ed9\u53d8\u91cf\u8d77\u4e00\u4e2a<strong>\u6e05\u6670\u3001\u6709\u610f\u4e49<\/strong>\u7684\u540d\u5b57\u3002\n<ul class=\"wp-block-list\">\n<li><code>x<\/code> -&gt; <code>score<\/code> (\u4e0d\u597d vs \u597d)<\/li>\n\n\n\n<li><code>n<\/code> -&gt; <code>student_count<\/code> (\u4e0d\u597d vs \u597d)<\/li>\n\n\n\n<li><code>a<\/code> -&gt; <code>is_logged_in<\/code> (\u4e0d\u597d vs \u597d)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e94\u8bfe\uff1a\u4e00\u4e2a\u601d\u7ef4\u4f53\u64cd<\/strong><\/h3>\n\n\n\n<p>\u770b\u8fd9\u6bb5\u4ee3\u7801\uff0c\u731c\u731c\u6700\u540e <code>a<\/code> \u548c <code>b<\/code> \u7684\u503c\u662f\u4ec0\u4e48\uff1f<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a = 10\nb = 20\na = b<\/code><\/pre>\n\n\n\n<p><strong>\u4e0d\u8981\u5f80\u4e0b\u770b\uff0c\u5148\u5728\u5fc3\u91cc\u60f3\u4e00\u4e2a\u7b54\u6848\u3002<\/strong><\/p>\n\n\n\n<p><strong>\u89e3\u6790\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>a = 10<\/code>\uff1a\u6807\u7b7e <code>a<\/code> \u6307\u5411\u76d2\u5b50 <code>10<\/code>\u3002<\/li>\n\n\n\n<li><code>b = 20<\/code>\uff1a\u6807\u7b7e <code>b<\/code> \u6307\u5411\u76d2\u5b50 <code>20<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u5173\u952e\u6b65\u9aa4 <code>a = b<\/code><\/strong>\uff1a\u8fd9\u884c\u4ee3\u7801\u7684\u610f\u601d\u662f <strong>\u201c\u8ba9\u6807\u7b7ea\u6307\u5411\u6807\u7b7eb\u5f53\u524d\u6307\u5411\u7684\u90a3\u4e2a\u4e1c\u897f\u201d<\/strong>\u3002\n<ul class=\"wp-block-list\">\n<li>\u8ba1\u7b97\u673a\u5148\u53bb\u627e <code>b<\/code> \u6307\u5411\u4ec0\u4e48\uff1f\u627e\u5230\u4e86\uff0c\u662f <code>20<\/code>\u3002<\/li>\n\n\n\n<li>\u7136\u540e\uff0c\u628a\u6807\u7b7e <code>a<\/code> \u4ece\u539f\u6765\u7684 <code>10<\/code> \u4e0a\u6495\u4e0b\u6765\uff0c\u8d34\u5230 <code>20<\/code> \u8fd9\u4e2a\u76d2\u5b50\u4e0a\u3002<\/li>\n\n\n\n<li>\u6240\u4ee5\u6700\u7ec8\u7ed3\u679c\u662f\uff1a<strong><code>a<\/code> \u548c <code>b<\/code> \u73b0\u5728\u90fd\u6307\u5411\u4e86\u540c\u4e00\u4e2a\u503c <code>20<\/code><\/strong>\u3002<\/li>\n\n\n\n<li>\u76d2\u5b50 <code>10<\/code> \u73b0\u5728\u6ca1\u6709\u6807\u7b7e\u4e86\uff0c\u4f1a\u88ab\u6e05\u7406\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u7528\u56fe\u50cf\u8868\u793a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u521d\u59cb\uff1a a \u2192 10, b \u2192 20\n\u6267\u884c a = b \u540e\uff1a a \u2198\n                20\n              b \u2197<\/code><\/pre>\n\n\n\n<p>\u6240\u4ee5\uff0c\u6700\u540e <code>print(a)<\/code> \u548c <code>print(b)<\/code> \u90fd\u4f1a\u8f93\u51fa <code>20<\/code>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5c0f\u7ed3\uff1a\u6211\u4eec\u76ee\u524d\u5b66\u4e86\u4ec0\u4e48\uff1f<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u53d8\u91cf\u662f\u4ec0\u4e48<\/strong>\uff1a\u4e00\u4e2a\u53ef\u4ee5\u5b58\u653e\u53d8\u5316\u6570\u636e\u7684\u3001\u6709\u540d\u5b57\u7684\u5bb9\u5668\uff08\u76d2\u5b50+\u6807\u7b7e\uff09\u3002<\/li>\n\n\n\n<li><strong>\u6838\u5fc3\u4ef7\u503c<\/strong>\uff1a\u7528\u6765\u8bb0\u5f55\u548c\u8ddf\u8e2a\u7a0b\u5e8f\u8fd0\u884c\u4e2d\u53d8\u5316\u7684\u72b6\u6001\u3002<\/li>\n\n\n\n<li><strong>\u6838\u5fc3\u64cd\u4f5c<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><code>\u53d8\u91cf\u540d = \u503c<\/code>\uff1a\u8d4b\u4e88\u53d8\u91cf\u4e00\u4e2a\u503c\uff08\u8d34\u6807\u7b7e\uff0c\u653e\u4e1c\u897f\uff09\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528 <code>\u53d8\u91cf\u540d<\/code>\uff1a\u83b7\u53d6\u5b83\u5f53\u524d\u4ee3\u8868\u7684\u503c\uff08\u770b\u6807\u7b7e\uff0c\u627e\u4e1c\u897f\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u6700\u91cd\u8981\u7684\u6982\u5ff5<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><code>=<\/code> \u662f\u201c\u8d4b\u503c\u201d\u64cd\u4f5c\uff08\u653e\u8fdb\u53bb\/\u6307\u5411\uff09\uff0c\u4e0d\u662f\u6570\u5b66\u7b49\u53f7\u3002<\/li>\n\n\n\n<li>\u53d8\u91cf\u540d\u5e94\u8be5\u6e05\u6670\u6613\u61c2\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p><strong>\u8fd9\u4e2a\u57fa\u7840\u8ba4\u77e5\uff0c\u9002\u7528\u4e8e\u51e0\u4e4e\u6240\u6709\u7684\u7f16\u7a0b\u8bed\u8a00\u3002<\/strong> \u5c31\u50cf\u5b66\u4f1a\u4e86\u201c\u5f00\u8f66\u201d\u7684\u57fa\u672c\u539f\u7406\uff08\u65b9\u5411\u76d8\u3001\u6cb9\u95e8\u3001\u5239\u8f66\uff09\uff0c\u65e0\u8bba\u6362\u4ec0\u4e48\u724c\u5b50\u7684\u8f66\uff0c\u4f60\u90fd\u80fd\u5feb\u901f\u4e0a\u624b\u3002\u4e0d\u540c\u8bed\u8a00\u53ea\u662f\u5728\u8fd9\u4e9b\u76d2\u5b50\u7684\u201c\u6750\u8d28\u201d\uff08\u7c7b\u578b\uff09\u3001\u8d34\u6807\u7b7e\u7684\u201c\u89c4\u77e9\u201d\uff08\u8bed\u6cd5\uff09\u4e0a\u6709\u6240\u4e0d\u540c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p> \u5982\u679c\u8fd9\u4e2a\u6982\u5ff5\u5df2\u7ecf\u6e05\u6670\u4e86\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u8fdb\u5165\u4e0b\u4e00\u4e2a\u6700\u81ea\u7136\u7684\u95ee\u9898\uff1a<strong>\u201c\u6211\u4eec\u53ef\u4ee5\u5f80\u8fd9\u4e2a\u2018\u76d2\u5b50\u2019\u91cc\u653e\u54ea\u4e9b\u4e0d\u540c\u79cd\u7c7b\u7684\u2018\u4e1c\u897f\u2019\uff1f\u201d<\/strong> \u2014\u2014 \u4e5f\u5c31\u662f <strong>\u201c\u6570\u636e\u7c7b\u578b\u201d<\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e00\u8bfe\uff1a\u76d2\u5b50\u91cc\u80fd\u653e\u4ec0\u4e48\uff1f\u2014\u2014\u8ba4\u8bc6\u201c\u6570\u636e\u7c7b\u578b\u201d<\/strong><\/h3>\n\n\n\n<p>\u4e0a\u4e00\u8bfe\u6211\u4eec\u628a\u53d8\u91cf\u6bd4\u4f5c\u4e00\u4e2a\u76d2\u5b50\u3002\u73b0\u5728\u6211\u4eec\u8981\u95ee\uff1a\u76d2\u5b50\u91cc\u80fd\u653e\u54ea\u4e9b\u4e1c\u897f\uff1f<\/p>\n\n\n\n<p>\u5728\u73b0\u5b9e\u751f\u6d3b\u4e2d\uff0c\u76d2\u5b50\u53ef\u4ee5\u653e\u4e66\u3001\u653e\u6c34\u679c\u3001\u653e\u8863\u670d\u3002\u5728\u7f16\u7a0b\u4e16\u754c\u91cc\uff0c\u76d2\u5b50\uff08\u53d8\u91cf\uff09\u91cc\u80fd\u653e\u7684\u4e1c\u897f\u4e5f\u6709\u4e0d\u540c\u7684\u79cd\u7c7b\uff0c\u6211\u4eec\u79f0\u4e4b\u4e3a&nbsp;<strong>\u201c\u6570\u636e\u7c7b\u578b\u201d<\/strong>\u3002<\/p>\n\n\n\n<p>\u4e3a\u4ec0\u4e48\u8981\u6709\u6570\u636e\u7c7b\u578b\uff1f<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u5408\u7406\u5206\u914d\u7a7a\u95f4<\/strong>\uff1a\u5c31\u50cf\u51b0\u7bb1\u653e\u98df\u7269\uff0c\u8863\u67dc\u653e\u8863\u670d\uff0c\u4e0d\u540c\u7684\u4e1c\u897f\u9700\u8981\u4e0d\u540c\u5927\u5c0f\u7684\u7a7a\u95f4\u3002\u6570\u5b57\u3001\u6587\u5b57\u3001\u771f\u5047\u503c\uff0c\u5b83\u4eec\u5728\u8ba1\u7b97\u673a\u5185\u5b58\u4e2d\u5360\u7528\u7684\u7a7a\u95f4\u662f\u4e0d\u540c\u7684\u3002<\/li>\n\n\n\n<li><strong>\u89c4\u5b9a\u80fd\u505a\u4ec0\u4e48\u64cd\u4f5c<\/strong>\uff1a\u6570\u5b57\u53ef\u4ee5\u8fdb\u884c\u52a0\u51cf\u4e58\u9664\uff0c\u6587\u5b57\u53ef\u4ee5\u8fdb\u884c\u62fc\u63a5\u3001\u67e5\u627e\uff0c\u771f\u5047\u503c\u53ef\u4ee5\u8fdb\u884c\u903b\u8f91\u5224\u65ad\u3002\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u80fd\u8fdb\u884c\u7684\u64cd\u4f5c\u662f\u4e0d\u540c\u7684\u3002<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u8bfe\uff1a\u57fa\u672c\u6570\u636e\u7c7b\u578b\u521d\u8bc6<\/strong><\/h3>\n\n\n\n<p>\u6211\u4eec\u5148\u7528\u4e00\u79cd\u6700\u76f4\u89c2\u7684\u5206\u7c7b\uff0c\u6765\u770b\u6700\u5e38\u89c1\u7684\u51e0\u79cd\u6570\u636e\u7c7b\u578b\u3002\u4e0d\u8981\u6015\uff0c\u6211\u4eec\u5148\u53ea\u770b\u4e09\u79cd\u6700\u57fa\u7840\u7684\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1. \u6574\u6570\uff08Integer\uff09<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u662f\u4ec0\u4e48<\/strong>\uff1a\u6ca1\u6709\u5c0f\u6570\u90e8\u5206\u7684\u6570\u5b57\u3002\u6bd4\u5982\uff1a<code>-5<\/code>,&nbsp;<code>0<\/code>,&nbsp;<code>100<\/code>,&nbsp;<code>2024<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u80fd\u505a\u4ec0\u4e48<\/strong>\uff1a\u52a0\u51cf\u4e58\u9664\u3001\u6bd4\u8f83\u5927\u5c0f\u7b49\u6570\u5b66\u8fd0\u7b97\u3002<\/li>\n\n\n\n<li><strong>\u4f8b\u5b50<\/strong>\uff1a\u6e38\u620f\u5206\u6570\u3001\u5e74\u9f84\u3001\u6570\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># \u5728Python\u4e2d\uff0c\u6574\u6570\u7528 int \u8868\u793a<\/em>\nscore = 100\nage = 18<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2. \u6d6e\u70b9\u6570\uff08Floating-point number\uff09<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u662f\u4ec0\u4e48<\/strong>\uff1a\u6709\u5c0f\u6570\u90e8\u5206\u7684\u6570\u5b57\u3002\u6bd4\u5982\uff1a<code>3.14<\/code>,&nbsp;<code>-0.5<\/code>,&nbsp;<code>2.0<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u80fd\u505a\u4ec0\u4e48<\/strong>\uff1a\u548c\u6574\u6570\u4e00\u6837\uff0c\u53ef\u4ee5\u8fdb\u884c\u6570\u5b66\u8fd0\u7b97\uff0c\u4f46\u6ce8\u610f\u5c0f\u6570\u8ba1\u7b97\u53ef\u80fd\u6709\u7cbe\u5ea6\u95ee\u9898\uff08\u8fd9\u662f\u8ba1\u7b97\u673a\u5b58\u50a8\u65b9\u5f0f\u5bfc\u81f4\u7684\uff0c\u5148\u77e5\u9053\u5373\u53ef\uff09\u3002<\/li>\n\n\n\n<li><strong>\u4f8b\u5b50<\/strong>\uff1a\u8eab\u9ad8\u3001\u4f53\u91cd\u3001\u5706\u5468\u7387\u3002<\/li>\n<\/ul>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">height = 1.75\nweight = 65.5<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>3. \u5b57\u7b26\u4e32\uff08String\uff09<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u662f\u4ec0\u4e48<\/strong>\uff1a\u4e00\u4e32\u6587\u672c\uff0c\u7528\u5355\u5f15\u53f7\u6216\u53cc\u5f15\u53f7\u5305\u56f4\u3002\u6bd4\u5982\uff1a<code>\"hello\"<\/code>,&nbsp;<code>'\u4e16\u754c'<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u80fd\u505a\u4ec0\u4e48<\/strong>\uff1a\u62fc\u63a5\uff08\u8fde\u63a5\uff09\u3001\u622a\u53d6\u3001\u67e5\u627e\u3001\u66ff\u6362\u7b49\u6587\u672c\u64cd\u4f5c\u3002<\/li>\n\n\n\n<li><strong>\u4f8b\u5b50<\/strong>\uff1a\u59d3\u540d\u3001\u5730\u5740\u3001\u4e00\u53e5\u8bdd\u3002<\/li>\n<\/ul>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">name = \"\u5f20\u4e09\"\ngreeting = '\u4f60\u597d\uff0c\u4e16\u754c\uff01'<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e09\u8bfe\uff1a\u52a8\u6001\u7c7b\u578b vs \u9759\u6001\u7c7b\u578b\u2014\u2014\u76d2\u5b50\u7684\u201c\u6807\u7b7e\u201d\u6709\u65e0\u8bf4\u660e<\/strong><\/h3>\n\n\n\n<p>\u8fd9\u662f\u4e0d\u540c\u7f16\u7a0b\u8bed\u8a00\u5728\u6570\u636e\u7c7b\u578b\u4e0a\u7684\u4e00\u4e2a\u6838\u5fc3\u533a\u522b\u3002<\/p>\n\n\n\n<p><strong>\u60c5\u666f\u6a21\u62df<\/strong>\uff1a\u6211\u4eec\u53bb\u8d85\u5e02\u5bc4\u5b58\u5305\u88f9\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u52a8\u6001\u7c7b\u578b\u8bed\u8a00\uff08\u5982Python\u3001JavaScript\uff09<\/strong>\uff1a<br>\u8d85\u5e02\u7ed9\u4f60\u4e00\u4e2a\u7a7a\u76d2\u5b50\uff08\u53d8\u91cf\uff09\uff0c\u4f60\u968f\u4fbf\u5f80\u91cc\u9762\u653e\u4ec0\u4e48\u90fd\u53ef\u4ee5\uff08\u6570\u5b57\u3001\u6587\u672c\u3001\u6c34\u679c\uff09\u3002\u76d2\u5b50\u4e0a\u53ea\u8d34\u4e86\u6807\u7b7e\uff08\u53d8\u91cf\u540d\uff09\uff0c\u6ca1\u6709\u89c4\u5b9a\u5fc5\u987b\u653e\u4ec0\u4e48\u3002\u4f60\u751a\u81f3\u53ef\u4ee5\u5148\u653e\u4e00\u4e2a\u82f9\u679c\uff0c\u518d\u628a\u5b83\u6362\u6210\u4e00\u672c\u4e66\u3002pythonbox = 100 <em># \u5148\u653e\u4e00\u4e2a\u6574\u6570<\/em> box = &#8220;hello&#8221; <em># \u6362\u6210\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\uff01<\/em>\u4f18\u70b9\uff1a\u7075\u6d3b\u65b9\u4fbf\u3002<br>\u7f3a\u70b9\uff1a\u5982\u679c\u76d2\u5b50\u91cc\u653e\u7684\u4e0d\u662f\u4f60\u671f\u671b\u7684\u4e1c\u897f\uff08\u6bd4\u5982\u4f60\u4ee5\u4e3a\u662f\u6c34\u679c\uff0c\u7ed3\u679c\u662f\u4e00\u5757\u77f3\u5934\uff09\uff0c\u53ef\u80fd\u8981\u5230\u6253\u5f00\u76d2\u5b50\uff08\u4f7f\u7528\u6570\u636e\uff09\u7684\u65f6\u5019\u624d\u53d1\u73b0\u9519\u8bef\u3002<\/li>\n\n\n\n<li><strong>\u9759\u6001\u7c7b\u578b\u8bed\u8a00\uff08\u5982C\u3001Java\uff09<\/strong>\uff1a<br>\u8d85\u5e02\u7684\u76d2\u5b50\u4e0a\u4e0d\u4ec5\u8d34\u4e86\u6807\u7b7e\uff0c\u8fd8\u660e\u786e\u5199\u4e86\u201c\u4ec5\u653e\u6c34\u679c\u201d\u6216\u201c\u4ec5\u653e\u4e66\u7c4d\u201d\u3002\u4f60\u5fc5\u987b\u5728\u5bc4\u5b58\u65f6\u5c31\u58f0\u660e\u76d2\u5b50\u91cc\u653e\u4ec0\u4e48\u7c7b\u578b\u7684\u4e1c\u897f\uff0c\u800c\u4e14\u4e00\u65e6\u58f0\u660e\uff0c\u5c31\u4e0d\u80fd\u653e\u5165\u5176\u4ed6\u7c7b\u578b\u7684\u7269\u54c1\u3002cint box = 100; <em>\/\/ \u58f0\u660e\u4e00\u4e2a\u53ea\u80fd\u653e\u6574\u6570\u7684\u76d2\u5b50\uff0c\u5e76\u653e\u5165100<\/em> <em>\/\/ box = &#8220;hello&#8221;; \/\/ \u9519\u8bef\uff01\u4e0d\u80fd\u628a\u5b57\u7b26\u4e32\u653e\u8fdb\u6574\u6570\u76d2\u5b50<\/em>\u4f18\u70b9\uff1a\u5b89\u5168\uff0c\u56e0\u4e3a\u7c7b\u578b\u9519\u8bef\u5728\u5bc4\u5b58\u65f6\uff08\u7f16\u8bd1\u65f6\uff09\u5c31\u80fd\u53d1\u73b0\uff1b\u800c\u4e14\u8ba1\u7b97\u673a\u53ef\u4ee5\u63d0\u524d\u4f18\u5316\uff0c\u6548\u7387\u9ad8\u3002<br>\u7f3a\u70b9\uff1a\u4e0d\u591f\u7075\u6d3b\uff0c\u5199\u4ee3\u7801\u65f6\u8981\u591a\u5199\u4e00\u4e9b\u58f0\u660e\u7c7b\u578b\u7684\u6587\u5b57\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u6bd4\u55bb<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u52a8\u6001\u7c7b\u578b\uff1a\u50cf\u901a\u7528\u7684\u7eb8\u7bb1\uff0c\u4ec0\u4e48\u90fd\u80fd\u88c5\uff0c\u4f46\u5916\u9762\u6ca1\u5199\u6e05\u695a\u91cc\u9762\u662f\u4ec0\u4e48\u3002<\/li>\n\n\n\n<li>\u9759\u6001\u7c7b\u578b\uff1a\u50cf\u4e13\u7528\u7684\u5305\u88c5\u76d2\uff08\u6708\u997c\u76d2\u3001\u978b\u76d2\uff09\uff0c\u4e13\u95e8\u4e3a\u4e00\u79cd\u4e1c\u897f\u8bbe\u8ba1\uff0c\u4e00\u770b\u5c31\u77e5\u9053\u91cc\u9762\u662f\u4ec0\u4e48\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u56db\u8bfe\uff1a\u52a8\u624b\u4f53\u9a8c\u2014\u2014\u7528Python\u611f\u53d7\u7c7b\u578b<\/strong><\/h3>\n\n\n\n<p>Python\u662f\u52a8\u6001\u7c7b\u578b\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u89c2\u5bdf\u7c7b\u578b\u7684\u53d8\u5316\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1. \u67e5\u770b\u7c7b\u578b<\/strong><\/h4>\n\n\n\n<p>\u4f7f\u7528&nbsp;<code>type()<\/code>&nbsp;\u51fd\u6570\uff0c\u53ef\u4ee5\u67e5\u770b\u4e00\u4e2a\u53d8\u91cf\u91cc\u5b58\u653e\u7684\u6570\u636e\u662f\u4ec0\u4e48\u7c7b\u578b\u3002<\/p>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># \u5b9a\u4e49\u51e0\u4e2a\u53d8\u91cf<\/em>\na = 10\nb = 3.14\nc = \"hello\"\n\nprint(type(a))  <em># \u8f93\u51fa\uff1a&lt;class 'int'&gt;  \u8868\u793a\u6574\u6570\u7c7b\u578b<\/em>\nprint(type(b))  <em># \u8f93\u51fa\uff1a&lt;class 'float'&gt; \u8868\u793a\u6d6e\u70b9\u6570\u7c7b\u578b<\/em>\nprint(type(c))  <em># \u8f93\u51fa\uff1a&lt;class 'str'&gt;  \u8868\u793a\u5b57\u7b26\u4e32\u7c7b\u578b<\/em><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2. \u52a8\u6001\u7c7b\u578b\u7684\u53d8\u5316<\/strong><\/h4>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">x = 10\nprint(type(x))  <em># \u8f93\u51fa\uff1a&lt;class 'int'&gt;<\/em>\n\nx = \"now I am a string\"\nprint(type(x))  <em># \u8f93\u51fa\uff1a&lt;class 'str'&gt;<\/em><\/pre>\n\n\n\n<p>\u540c\u4e00\u4e2a\u53d8\u91cf&nbsp;<code>x<\/code>\uff0c\u53ef\u4ee5\u5148\u5b58\u653e\u6574\u6570\uff0c\u518d\u5b58\u653e\u5b57\u7b26\u4e32\u3002\u8fd9\u5c31\u662f\u52a8\u6001\u7c7b\u578b\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>3. \u7c7b\u578b\u4e0d\u540c\uff0c\u64cd\u4f5c\u4e0d\u540c<\/strong><\/h4>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># \u6570\u5b57\u53ef\u4ee5\u505a\u6570\u5b66\u8fd0\u7b97<\/em>\nnum1 = 10\nnum2 = 20\nprint(num1 + num2)  <em># \u8f93\u51fa\uff1a30<\/em>\n\n<em># \u5b57\u7b26\u4e32\u53ef\u4ee5\u505a\u62fc\u63a5<\/em>\nstr1 = \"hello\"\nstr2 = \"world\"\nprint(str1 + str2)  <em># \u8f93\u51fa\uff1ahelloworld<\/em>\n\n<em># \u4f46\u662f\u6570\u5b57\u548c\u5b57\u7b26\u4e32\u4e0d\u80fd\u76f4\u63a5\u76f8\u52a0\uff08\u7c7b\u578b\u4e0d\u540c\uff09<\/em>\n<em># print(num1 + str1)  # \u8fd9\u884c\u4f1a\u62a5\u9519\uff1aTypeError<\/em><\/pre>\n\n\n\n<p>\u8ba1\u7b97\u673a\u5f88\u201c\u6b7b\u677f\u201d\uff0c\u5b83\u8981\u6c42\u64cd\u4f5c\u7684\u6570\u636e\u7c7b\u578b\u8981\u7b26\u5408\u89c4\u5219\u3002\u5982\u679c\u4f60\u786c\u8981\u8ba9\u6570\u5b57\u548c\u6587\u672c\u76f8\u52a0\uff0c\u5b83\u4f1a\u62a5\u9519\uff0c\u56e0\u4e3a\u5b83\u4e0d\u77e5\u9053\u4f60\u60f3\u505a\u6570\u5b66\u52a0\u6cd5\u8fd8\u662f\u6587\u672c\u62fc\u63a5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e94\u8bfe\uff1a\u5176\u4ed6\u5e38\u89c1\u6570\u636e\u7c7b\u578b\uff08\u4e86\u89e3\u5373\u53ef\uff09<\/strong><\/h3>\n\n\n\n<p>\u9664\u4e86\u4e0a\u9762\u4e09\u79cd\uff0c\u8fd8\u6709\u51e0\u79cd\u5e38\u7528\u7684\u7c7b\u578b\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1. \u5e03\u5c14\u503c\uff08Boolean\uff09<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u662f\u4ec0\u4e48<\/strong>\uff1a\u53ea\u6709\u4e24\u4e2a\u503c\uff1a<code>True<\/code>\uff08\u771f\uff09\u548c&nbsp;<code>False<\/code>\uff08\u5047\uff09\u3002\u4ee3\u8868\u903b\u8f91\u5224\u65ad\u7684\u7ed3\u679c\u3002<\/li>\n\n\n\n<li><strong>\u80fd\u505a\u4ec0\u4e48<\/strong>\uff1a\u7528\u4e8e\u6761\u4ef6\u5224\u65ad\uff08\u6bd4\u5982\u5982\u679c\u4e0b\u96e8\uff0c\u5c31\u5e26\u4f1e\uff09\u3002<\/li>\n\n\n\n<li><strong>\u4f8b\u5b50<\/strong>\uff1a\u662f\u5426\u767b\u5f55\u3001\u662f\u5426\u6210\u5e74\u3001\u5f00\u5173\u72b6\u6001\u3002<\/li>\n<\/ul>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">is_raining = True\nis_logged_in = False<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2. \u5217\u8868\uff08List\uff09<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u662f\u4ec0\u4e48<\/strong>\uff1a\u4e00\u4e2a\u6709\u5e8f\u7684\u96c6\u5408\uff0c\u53ef\u4ee5\u5b58\u653e\u591a\u4e2a\u6570\u636e\uff0c\u7528\u65b9\u62ec\u53f7&nbsp;<code>[]<\/code>&nbsp;\u8868\u793a\u3002<\/li>\n\n\n\n<li><strong>\u80fd\u505a\u4ec0\u4e48<\/strong>\uff1a\u53ef\u4ee5\u589e\u5220\u6539\u67e5\u5176\u4e2d\u7684\u5143\u7d20\u3002<\/li>\n\n\n\n<li><strong>\u4f8b\u5b50<\/strong>\uff1a\u8d2d\u7269\u6e05\u5355\u3001\u5b66\u751f\u540d\u5355\u3002<\/li>\n<\/ul>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">shopping_list = [\"\u82f9\u679c\", \"\u9999\u8549\", \"\u725b\u5976\"]\nscores = [85, 90, 78, 92]<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>3. \u7a7a\u503c\uff08None\uff09<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u662f\u4ec0\u4e48<\/strong>\uff1a\u8868\u793a\u4ec0\u4e48\u90fd\u6ca1\u6709\uff0c\u7a7a\u76d2\u5b50\u3002\u5728Python\u4e2d\u7528&nbsp;<code>None<\/code>&nbsp;\u8868\u793a\u3002<\/li>\n\n\n\n<li><strong>\u80fd\u505a\u4ec0\u4e48<\/strong>\uff1a\u901a\u5e38\u7528\u4e8e\u521d\u59cb\u5316\u4e00\u4e2a\u53d8\u91cf\uff0c\u8868\u793a\u6682\u65f6\u6ca1\u6709\u503c\u3002<\/li>\n<\/ul>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">result = None  <em># \u8868\u793a\u7ed3\u679c\u8fd8\u6ca1\u6709\u8ba1\u7b97\u51fa\u6765<\/em><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u516d\u8bfe\uff1a\u601d\u7ef4\u4f53\u64cd\u2014\u2014\u7c7b\u578b\u8f6c\u6362<\/strong><\/h3>\n\n\n\n<p>\u6709\u65f6\u5019\u6211\u4eec\u9700\u8981\u628a\u4e00\u79cd\u7c7b\u578b\u8f6c\u6362\u6210\u53e6\u4e00\u79cd\u7c7b\u578b\uff0c\u6bd4\u5982\u628a\u5b57\u7b26\u4e32\u7684\u6570\u5b57\u8f6c\u6362\u6210\u6574\u6570\u8fdb\u884c\u8ba1\u7b97\u3002<\/p>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># \u8f93\u5165\u7684\u662f\u5b57\u7b26\u4e32<\/em>\nage_str = \"18\"\nprint(type(age_str))  <em># &lt;class 'str'&gt;<\/em>\n\n<em># \u8f6c\u6362\u6210\u6574\u6570<\/em>\nage_int = int(age_str)\nprint(type(age_int))  <em># &lt;class 'int'&gt;<\/em>\nprint(age_int + 2)    <em># \u8f93\u51fa\uff1a20<\/em>\n\n<em># \u6574\u6570\u8f6c\u5b57\u7b26\u4e32<\/em>\nnew_str = str(age_int) + \"\u5c81\"\nprint(new_str)        <em># \u8f93\u51fa\uff1a18\u5c81<\/em>\nprint(type(new_str))  <em># &lt;class 'str'&gt;<\/em><\/pre>\n\n\n\n<p><strong>\u6ce8\u610f<\/strong>\uff1a\u4e0d\u662f\u6240\u6709\u8f6c\u6362\u90fd\u80fd\u6210\u529f\u3002\u6bd4\u5982&nbsp;<code>int(\"hello\")<\/code>&nbsp;\u4f1a\u62a5\u9519\uff0c\u56e0\u4e3a\u201chello\u201d\u65e0\u6cd5\u8f6c\u6362\u6210\u6574\u6570\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5c0f\u7ed3\uff1a\u6570\u636e\u7c7b\u578b\u6211\u4eec\u5b66\u4e86\u4ec0\u4e48\uff1f<\/strong><\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u6570\u636e\u7c7b\u578b\u662f\u4ec0\u4e48<\/strong>\uff1a\u53d8\u91cf\u76d2\u5b50\u91cc\u80fd\u653e\u7684\u4e0d\u540c\u79cd\u7c7b\u7684\u4e1c\u897f\uff08\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5b57\u7b26\u4e32\u7b49\uff09\u3002<\/li>\n\n\n\n<li><strong>\u4e3a\u4ec0\u4e48\u8981\u6709\u7c7b\u578b<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5408\u7406\u5229\u7528\u5185\u5b58\u7a7a\u95f4\u3002<\/li>\n\n\n\n<li>\u89c4\u5b9a\u6570\u636e\u80fd\u8fdb\u884c\u7684\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u4e24\u5927\u7c7b\u578b\u7cfb\u7edf<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u52a8\u6001\u7c7b\u578b<\/strong>\uff08\u5982Python\uff09\uff1a\u53d8\u91cf\u53ef\u4ee5\u968f\u65f6\u6539\u53d8\u7c7b\u578b\uff0c\u7075\u6d3b\u4f46\u53ef\u80fd\u9690\u85cf\u9519\u8bef\u3002<\/li>\n\n\n\n<li><strong>\u9759\u6001\u7c7b\u578b<\/strong>\uff08\u5982C\/Java\uff09\uff1a\u53d8\u91cf\u5fc5\u987b\u5148\u58f0\u660e\u7c7b\u578b\uff0c\u5b89\u5168\u4f46\u4e0d\u591f\u7075\u6d3b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5e38\u89c1\u7c7b\u578b<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u6574\u6570\uff08<code>int<\/code>\uff09\u3001\u6d6e\u70b9\u6570\uff08<code>float<\/code>\uff09\u3001\u5b57\u7b26\u4e32\uff08<code>str<\/code>\uff09\u662f\u4e09\u4e2a\u6700\u57fa\u7840\u7684\u7c7b\u578b\u3002<\/li>\n\n\n\n<li>\u5e03\u5c14\u503c\uff08<code>bool<\/code>\uff09\u7528\u4e8e\u903b\u8f91\u5224\u65ad\u3002<\/li>\n\n\n\n<li>\u5217\u8868\uff08<code>list<\/code>\uff09\u7528\u4e8e\u5b58\u653e\u591a\u4e2a\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7c7b\u578b\u8f6c\u6362<\/strong>\uff1a\u53ef\u4ee5\u5728\u4e00\u5b9a\u6761\u4ef6\u4e0b\u5c06\u4e00\u79cd\u7c7b\u578b\u8f6c\u6362\u4e3a\u53e6\u4e00\u79cd\u3002<\/li>\n<\/ol>\n\n\n\n<p><strong>\u91cd\u8981\u7406\u5ff5<\/strong>\uff1a\u6570\u636e\u7c7b\u578b\u662f\u6570\u636e\u7684\u201c\u5206\u7c7b\u201d\uff0c\u4e0d\u540c\u7684\u7c7b\u578b\u6709\u4e0d\u540c\u7684\u7528\u9014\u548c\u64cd\u4f5c\u65b9\u5f0f\u3002\u5728\u7f16\u7a0b\u65f6\uff0c\u8981\u65f6\u523b\u6ce8\u610f\u4f60\u6b63\u5728\u5904\u7406\u7684\u6570\u636e\u662f\u4ec0\u4e48\u7c7b\u578b\uff0c\u5c31\u50cf\u5728\u751f\u6d3b\u4e2d\u8981\u77e5\u9053\u4f60\u624b\u91cc\u62ff\u7684\u662f\u6c34\u679c\u8fd8\u662f\u4e66\u672c\u4e00\u6837\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u63a5\u4e0b\u6765<\/strong>\uff0c\u6211\u4eec\u53ef\u4ee5\u7ee7\u7eed\u63a2\u8ba8\uff1a\u5f53\u6570\u636e\u6709\u4e86\u7c7b\u578b\uff0c\u6211\u4eec\u5982\u4f55\u7528\u5b83\u4eec\u8fdb\u884c\u66f4\u590d\u6742\u7684\u64cd\u4f5c\uff1f\u6bd4\u5982\uff0c\u5982\u4f55\u628a\u6570\u636e\u7ec4\u5408\u8d77\u6765\uff1f\u5982\u4f55\u6839\u636e\u4e0d\u540c\u7684\u6570\u636e\u505a\u51fa\u5224\u65ad\uff1f\u2014\u2014\u8fd9\u5c31\u662f&nbsp;<strong>\u201c\u6570\u636e\u7ed3\u6784\u201d<\/strong>&nbsp;\u548c&nbsp;<strong>\u201c\u63a7\u5236\u6d41\u201d<\/strong>&nbsp;\u7684\u5f00\u59cb\u4e86\u3002<\/p>\n\n\n\n<p>\u597d\u7684\uff01\u6211\u4eec\u7ee7\u7eed\u6309\u7167\u8fd9\u4e2a\u601d\u8def\uff0c\u5faa\u5e8f\u6e10\u8fdb\u5730\u5b66\u4e60\u3002\u73b0\u5728\u6211\u4eec\u5df2\u7ecf\u7406\u89e3\u4e86\u53d8\u91cf\u662f\u5b58\u653e\u6570\u636e\u7684\u201c\u76d2\u5b50\u201d\uff0c\u63a5\u4e0b\u6765\u81ea\u7136\u4f1a\u95ee\uff1a<strong>\u201c\u8fd9\u4e9b\u76d2\u5b50\u5728\u7a0b\u5e8f\u91cc\u662f\u600e\u4e48\u4e92\u52a8\u3001\u600e\u4e48\u51b3\u5b9a\u7a0b\u5e8f\u8d70\u5411\u7684\uff1f\u201d<\/strong><\/p>\n\n\n\n<p>\u8fd9\u5c31\u5f15\u51fa\u4e86\u7f16\u7a0b\u7684\u53e6\u4e00\u4e2a\u6838\u5fc3\u6982\u5ff5\u2014\u2014<strong>\u63a7\u5236\u6d41<\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u516d\u8bfe\uff1a\u8ba9\u7a0b\u5e8f\u201c\u6d3b\u201d\u8d77\u6765\u2014\u2014\u63a7\u5236\u6d41\u7684\u57fa\u672c\u601d\u60f3<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. \u7a0b\u5e8f\u9ed8\u8ba4\u662f\u201c\u4e00\u6761\u76f4\u7ebf\u201d<\/strong><\/h3>\n\n\n\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u7684\u7a0b\u5e8f\u50cf\u4e00\u5f20\u6e05\u5355\uff0c\u4ece\u4e0a\u5230\u4e0b\u4e00\u6761\u4e00\u6761\u6267\u884c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u7a0b\u5e8f\u5c31\u50cf\u4e00\u5f20\u4efb\u52a1\u6e05\u5355\nprint(\"\u5f00\u59cb\")\nscore = 100\nscore = score + 20\nprint(\"\u6700\u7ec8\u5206\u6570\uff1a\", score)<\/code><\/pre>\n\n\n\n<p>\u8ba1\u7b97\u673a\u5fe0\u5b9e\u5730\u6309\u987a\u5e8f\u6267\u884c\u6bcf\u4e00\u884c\uff0c\u4e0d\u4f1a\u8df3\u8fc7\uff0c\u4e0d\u4f1a\u91cd\u590d\uff0c\u4e0d\u4f1a\u9009\u62e9\u3002<\/p>\n\n\n\n<p>\u4f46\u73b0\u5b9e\u4e16\u754c\u5145\u6ee1\u4e86\u201c<strong>\u5982\u679c\u2026\u5c31\u2026<\/strong>\u201d\u7684\u9009\u62e9\uff0c\u548c\u201c<strong>\u91cd\u590d\u505a\u2026\u76f4\u5230\u2026<\/strong>\u201d\u7684\u5faa\u73af\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. \u751f\u6d3b\u4e2d\u7684\u63a7\u5236\u6d41<\/strong><\/h3>\n\n\n\n<p><strong>\u573a\u666f\u4e00\uff1a\u51fa\u95e8\u524d\u770b\u5929\u6c14\uff08\u6761\u4ef6\u5224\u65ad\uff09<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5982\u679c \u4e0b\u96e8\uff1a\n    \u2713 \u5e26\u4e0a\u96e8\u4f1e\n\u5426\u5219\uff1a\n    \u2717 \u4e0d\u5e26\u96e8\u4f1e<\/code><\/pre>\n\n\n\n<p><strong>\u573a\u666f\u4e8c\uff1a\u505a\u996d\u65f6\u6405\u62cc\uff08\u5faa\u73af\uff09<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u91cd\u590d\u8fd9\u4e2a\u52a8\u4f5c\uff1a\n    \u2713 \u6405\u62cc\u4e00\u5708\n\u76f4\u5230 \u9171\u6c41\u53d8\u6d53\u7a20<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e9b\u51b3\u7b56\u548c\u91cd\u590d\uff0c\u5c31\u662f\u201c\u63a7\u5236\u6d41\u201d\u2014\u2014\u63a7\u5236\u7a0b\u5e8f\u6267\u884c\u7684\u6d41\u5411\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u4e03\u8bfe\uff1a\u5b66\u4f1a\u505a\u9009\u62e9\u2014\u2014\u6761\u4ef6\u5224\u65ad\uff08if\u8bed\u53e5\uff09<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e00\u6b65\uff1a\u6700\u57fa\u672c\u7684\u201c\u5982\u679c\u2026\u201d<\/strong><\/h3>\n\n\n\n<p>\u5728Python\u4e2d\uff0c\u7528 <code>if<\/code> \u8868\u793a\u201c\u5982\u679c\u201d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u6a21\u62df\uff1a\u5982\u679c\u4e0b\u96e8\uff0c\u5c31\u5e26\u4f1e\nis_raining = True\n\nif is_raining:\n    print(\"\u5e26\u4e0a\u96e8\u4f1e\")<\/code><\/pre>\n\n\n\n<p><strong>\u5173\u952e\u70b9\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>if<\/code> \u540e\u9762\u8ddf\u7740\u4e00\u4e2a<strong>\u6761\u4ef6<\/strong>\uff08\u8fd9\u91cc\u662f\u53d8\u91cf <code>is_raining<\/code>\uff09<\/li>\n\n\n\n<li>\u5192\u53f7 <code>:<\/code> \u8868\u793a\u201c\u63a5\u4e0b\u6765\u8981\u505a\u7684\u4e8b\u60c5\u201d<\/li>\n\n\n\n<li>\u7f29\u8fdb\uff08\u901a\u5e384\u4e2a\u7a7a\u683c\uff09\u8868\u793a\u201c\u5c5e\u4e8e\u8fd9\u4e2aif\u8981\u505a\u7684\u4e8b\u60c5\u201d<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u6b65\uff1a\u52a0\u4e0a\u201c\u5426\u5219\u2026\u201d<\/strong><\/h3>\n\n\n\n<p>\u7528 <code>else<\/code> \u8868\u793a\u201c\u5426\u5219\u201d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>is_raining = False\n\nif is_raining:\n    print(\"\u5e26\u4e0a\u96e8\u4f1e\")\nelse:\n    print(\"\u4e0d\u7528\u5e26\u4f1e\")<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u7ed3\u679c\u4f1a\u662f\uff1a<code>\u4e0d\u7528\u5e26\u4f1e<\/code><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e09\u6b65\uff1a\u66f4\u590d\u6742\u7684\u201c\u5426\u5219\u5982\u679c\u2026\u201d<\/strong><\/h3>\n\n\n\n<p>\u7528 <code>elif<\/code>\uff08else if\u7684\u7f29\u5199\uff09\u8868\u793a\u201c\u5426\u5219\u5982\u679c\u201d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>temperature = 25\n\nif temperature &gt; 30:\n    print(\"\u592a\u70ed\u4e86\uff0c\u7a7f\u77ed\u8896\")\nelif temperature &gt; 20:  # 20 &lt; temperature \u2264 30\n    print(\"\u5929\u6c14\u51c9\u723d\uff0c\u7a7f\u957f\u8896\")\nelif temperature &gt; 10:  # 10 &lt; temperature \u2264 20\n    print(\"\u6709\u70b9\u51c9\uff0c\u52a0\u4ef6\u5916\u5957\")\nelse:\n    print(\"\u5f88\u51b7\uff0c\u7a7f\u7fbd\u7ed2\u670d\")<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u56db\u6b65\uff1a\u7406\u89e3\u201c\u6761\u4ef6\u201d\u7684\u672c\u8d28<\/strong><\/h3>\n\n\n\n<p>\u6761\u4ef6\u5176\u5b9e\u5c31\u662f\u4e2a<strong>\u95ee\u9898<\/strong>\uff0c\u56de\u7b54\u53ea\u80fd\u662f <strong>True\uff08\u771f\/\u662f\uff09<\/strong> \u6216 <strong>False\uff08\u5047\/\u5426\uff09<\/strong>\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u6bd4\u8f83\u4ea7\u751fTrue\/False\nage = 18\nprint(age &gt;= 18)  # \u8f93\u51fa\uff1aTrue\n\n# \u53ef\u4ee5\u7ec4\u5408\u6761\u4ef6\nis_weekend = False\nhas_money = True\n\nif is_weekend and has_money:  # \u5fc5\u987b\u662f\u5468\u672b AND \u6709\u94b1\n    print(\"\u53bb\u901b\u8857\")\n\nif not is_weekend:  # \u4e0d\u662f\u5468\u672b\n    print(\"\u8981\u4e0a\u73ed\")<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u516b\u8bfe\uff1a\u91cd\u590d\u7684\u529b\u91cf\u2014\u2014\u5faa\u73af\uff08for\u548cwhile\uff09<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e00\u79cd\u5faa\u73af\uff1afor\u5faa\u73af\uff08\u5df2\u77e5\u6b21\u6570\u7684\u5faa\u73af\uff09<\/strong><\/h3>\n\n\n\n<p><strong>\u573a\u666f<\/strong>\uff1a\u6211\u8981\u8bf45\u6b21\u201c\u4f60\u597d\u201d<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u7b28\u65b9\u6cd5\nprint(\"\u4f60\u597d\")\nprint(\"\u4f60\u597d\")\nprint(\"\u4f60\u597d\")\nprint(\"\u4f60\u597d\")\nprint(\"\u4f60\u597d\")\n\n# \u806a\u660e\u65b9\u6cd5\uff1afor\u5faa\u73af\nfor i in range(5):\n    print(\"\u4f60\u597d\")<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>range(5)<\/code> \u4ea7\u751f\u4e00\u4e2a\u6570\u5b57\u5e8f\u5217\uff1a[0, 1, 2, 3, 4]<\/li>\n\n\n\n<li><code>for i in<\/code> \u610f\u601d\u662f\u201c\u4f9d\u6b21\u53d6\u5e8f\u5217\u4e2d\u7684\u6bcf\u4e2a\u6570\u5b57\uff0c\u6682\u65f6\u53eb\u5b83 i\u201d<\/li>\n\n\n\n<li>\u7136\u540e\u6267\u884c\u7f29\u8fdb\u7684\u4ee3\u7801\u5757\uff0c\u6bcf\u6b21 i \u7684\u503c\u90fd\u4e0d\u540c<\/li>\n<\/ul>\n\n\n\n<p><strong>\u5b9e\u9645\u5e94\u7528<\/strong>\uff1a\u5904\u7406\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5b66\u751f<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>students = &#91;\"\u5f20\u4e09\", \"\u674e\u56db\", \"\u738b\u4e94\"]\n\nfor student in students:\n    print(f\"\u6b63\u5728\u5904\u7406\u5b66\u751f\uff1a{student}\")<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u6b63\u5728\u5904\u7406\u5b66\u751f\uff1a\u5f20\u4e09\n\u6b63\u5728\u5904\u7406\u5b66\u751f\uff1a\u674e\u56db\n\u6b63\u5728\u5904\u7406\u5b66\u751f\uff1a\u738b\u4e94<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u79cd\u5faa\u73af\uff1awhile\u5faa\u73af\uff08\u6ee1\u8db3\u6761\u4ef6\u5c31\u7ee7\u7eed\uff09<\/strong><\/h3>\n\n\n\n<p><strong>\u573a\u666f<\/strong>\uff1a\u6405\u62cc\u9171\u6c41\uff0c\u76f4\u5230\u53d8\u6d53\u7a20<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u5047\u8bbesauce_thickness\u8868\u793a\u9171\u6c41\u6d53\u7a20\u5ea6\uff080-100\uff09\nsauce_thickness = 20\n\nwhile sauce_thickness &lt; 80:  # \u5f53\u9171\u6c41\u4e0d\u591f\u6d53\u7a20\u65f6\n    print(\"\u6405\u62cc\u4e00\u5708...\")\n    sauce_thickness = sauce_thickness + 10  # \u6bcf\u6405\u62cc\u4e00\u6b21\u6d53\u7a20\u5ea6\u589e\u52a0\n    print(f\"\u5f53\u524d\u6d53\u7a20\u5ea6\uff1a{sauce_thickness}\")\n\nprint(\"\u9171\u6c41\u5df2\u6d53\u7a20\uff0c\u53ef\u4ee5\u51fa\u9505\u4e86\uff01\")<\/code><\/pre>\n\n\n\n<p><strong>\u65e0\u9650\u5faa\u73af\u7684\u9677\u9631<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u5371\u9669\uff01\u8fd9\u4f1a\u6c38\u8fdc\u6267\u884c\u4e0b\u53bb\n# count = 0\n# while count &lt; 5:  # \u6761\u4ef6\u6c38\u8fdc\u4e3a\u771f\uff0c\u56e0\u4e3acount\u6ca1\u6709\u589e\u52a0\n#     print(\"\u9677\u5165\u5faa\u73af...\")<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5faa\u73af\u7684\u63a7\u5236\uff1abreak\u548ccontinue<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>break<\/code>\uff1a\u7acb\u523b\u8df3\u51fa\u6574\u4e2a\u5faa\u73af<\/li>\n\n\n\n<li><code>continue<\/code>\uff1a\u8df3\u8fc7\u672c\u6b21\u5faa\u73af\uff0c\u7ee7\u7eed\u4e0b\u4e00\u6b21<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code># \u627e\u7b2c\u4e00\u4e2a\u5927\u4e8e10\u7684\u6570\u5b57\nnumbers = &#91;3, 7, 11, 5, 15]\n\nfor num in numbers:\n    if num &gt; 10:\n        print(f\"\u627e\u5230\u4e86\u7b2c\u4e00\u4e2a\u5927\u4e8e10\u7684\u6570\uff1a{num}\")\n        break  # \u627e\u5230\u540e\u5c31\u9000\u51fa\u5faa\u73af\n    else:\n        print(f\"{num} \u4e0d\u5927\u4e8e10\uff0c\u7ee7\u7eed\u627e...\")<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u4e5d\u8bfe\uff1a\u63a7\u5236\u6d41\u7684\u201c\u601d\u7ef4\u4f53\u64cd\u201d<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7ec3\u4e601\uff1a\u7406\u89e3\u5d4c\u5957<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>weather = \"\u6674\u5929\"\ntemperature = 28\n\nif weather == \"\u6674\u5929\":\n    if temperature &gt; 30:\n        print(\"\u6674\u5929\u4e14\u708e\u70ed\uff0c\u53bb\u6e38\u6cf3\")\n    else:\n        print(\"\u6674\u5929\u4f46\u51c9\u723d\uff0c\u53bb\u516c\u56ed\")\nelse:\n    print(\"\u4e0d\u662f\u6674\u5929\uff0c\u5728\u5bb6\u4f11\u606f\")<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7ec3\u4e602\uff1a\u5faa\u73af\u4e2d\u7684\u6761\u4ef6<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># \u6253\u53701-10\u4e2d\u6240\u6709\u7684\u5076\u6570\nfor number in range(1, 11):\n    if number % 2 == 0:  # % \u662f\u6c42\u4f59\u6570\uff0c\u5076\u6570\u7684\u4f59\u6570\u4e3a0\n        print(f\"{number} \u662f\u5076\u6570\")<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7ec3\u4e603\uff1awhile\u4e0e\u7528\u6237\u4ea4\u4e92<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># \u7b80\u5355\u7684\u5bc6\u7801\u68c0\u67e5\uff08\u6a21\u62df\u7248\uff09\ncorrect_password = \"123456\"\nattempts = 0\nmax_attempts = 3\n\nwhile attempts &lt; max_attempts:\n    user_input = input(\"\u8bf7\u8f93\u5165\u5bc6\u7801\uff1a\")\n\n    if user_input == correct_password:\n        print(\"\u767b\u5f55\u6210\u529f\uff01\")\n        break\n    else:\n        attempts = attempts + 1\n        remaining = max_attempts - attempts\n        print(f\"\u5bc6\u7801\u9519\u8bef\uff0c\u8fd8\u5269{remaining}\u6b21\u5c1d\u8bd5\u673a\u4f1a\")\n\nif attempts == max_attempts:\n    print(\"\u5c1d\u8bd5\u6b21\u6570\u8fc7\u591a\uff0c\u8d26\u6237\u5df2\u9501\u5b9a\")<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u5341\u8bfe\uff1a\u4e0d\u540c\u8bed\u8a00\u7684\u5bf9\u6bd4\uff08if\u548cfor\uff09<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C\u8bed\u8a00\u7684\u5199\u6cd5<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ if\u8bed\u53e5\nint age = 18;\nif (age &gt;= 18) {\n    printf(\"\u6210\u5e74\u4eba\\n\");\n} else {\n    printf(\"\u672a\u6210\u5e74\u4eba\\n\");\n}\n\n\/\/ for\u5faa\u73af\nfor (int i = 0; i &lt; 5; i++) {\n    printf(\"Hello\\n\");\n}<\/code><\/pre>\n\n\n\n<p><strong>\u7279\u70b9<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6761\u4ef6\u5fc5\u987b\u7528\u62ec\u53f7 <code>()<\/code> \u62ec\u8d77\u6765<\/li>\n\n\n\n<li>\u4ee3\u7801\u5757\u7528\u82b1\u62ec\u53f7 <code>{}<\/code> \u8868\u793a<\/li>\n\n\n\n<li>for\u5faa\u73af\u4e09\u90e8\u5206\uff1a\u521d\u59cb\u5316(<code>int i=0<\/code>); \u6761\u4ef6(<code>i&lt;5<\/code>); \u66f4\u65b0(<code>i++<\/code>)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Java\u8bed\u8a00\u7684\u5199\u6cd5<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u4e0eC\u8bed\u8a00\u51e0\u4e4e\u76f8\u540c\nint age = 18;\nif (age &gt;= 18) {\n    System.out.println(\"\u6210\u5e74\u4eba\");\n} else {\n    System.out.println(\"\u672a\u6210\u5e74\u4eba\");\n}\n\n\/\/ for\u5faa\u73af\u4e5f\u4e00\u6837\nfor (int i = 0; i &lt; 5; i++) {\n    System.out.println(\"Hello\");\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>JavaScript\u7684\u5199\u6cd5<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ if\u8bed\u53e5\nlet age = 18;\nif (age &gt;= 18) {\n    console.log(\"\u6210\u5e74\u4eba\");\n} else {\n    console.log(\"\u672a\u6210\u5e74\u4eba\");\n}\n\n\/\/ for\u5faa\u73af\uff08\u4e24\u79cd\uff09\n\/\/ 1. \u4f20\u7edffor\u5faa\u73af\nfor (let i = 0; i &lt; 5; i++) {\n    console.log(\"Hello\");\n}\n\n\/\/ 2. for...of\u5faa\u73af\uff08\u7c7b\u4f3cPython\u7684for\uff09\nlet students = &#91;\"\u5f20\u4e09\", \"\u674e\u56db\", \"\u738b\u4e94\"];\nfor (let student of students) {\n    console.log(student);\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5171\u540c\u7684\u6838\u5fc3\u903b\u8f91<\/strong><\/h3>\n\n\n\n<p>\u867d\u7136\u8bed\u6cd5\u4e0d\u540c\uff0c\u4f46\u6240\u6709\u8bed\u8a00\u7684\u6d41\u7a0b\u63a7\u5236\u90fd\u57fa\u4e8e\u76f8\u540c\u7684\u903b\u8f91\u7ed3\u6784\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u6761\u4ef6\u5224\u65ad\uff1a\n    if (\u6761\u4ef6\u4e3a\u771f):\n        \u505aA\n    else:\n        \u505aB\n\n\u5faa\u73af\uff1a\n    \u91cd\u590d\u6267\u884c\u67d0\u4e9b\u4ee3\u7801\n    \u76f4\u5230\u6761\u4ef6\u4e0d\u518d\u6ee1\u8db3<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u6559\u5b66\u603b\u7ed3\uff1a\u63a7\u5236\u6d41\u7684\u6838\u5fc3\u6982\u5ff5<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u987a\u5e8f\u6267\u884c\u662f\u57fa\u7840<\/strong>\uff1a\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u4ee3\u7801\u4ece\u4e0a\u5230\u4e0b\u4e00\u6761\u6761\u6267\u884c\u3002<\/li>\n\n\n\n<li><strong>\u5206\u652f\u8ba9\u7a0b\u5e8f\u6709\u9009\u62e9<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>if\/elif\/else<\/code> \u6839\u636e\u6761\u4ef6\u9009\u62e9\u4e0d\u540c\u8def\u5f84<\/li>\n\n\n\n<li>\u6761\u4ef6\u5fc5\u987b\u662f\u80fd\u5f97\u51faTrue\/False\u7684\u95ee\u9898<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5faa\u73af\u8ba9\u7a0b\u5e8f\u80fd\u91cd\u590d<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>for<\/code> \u5faa\u73af\uff1a\u77e5\u9053\u8981\u91cd\u590d\u591a\u5c11\u6b21\u65f6\u4f7f\u7528<\/li>\n\n\n\n<li><code>while<\/code> \u5faa\u73af\uff1a\u4e0d\u77e5\u9053\u5177\u4f53\u6b21\u6570\uff0c\u53ea\u77e5\u9053\u6761\u4ef6\u65f6\u4f7f\u7528<\/li>\n\n\n\n<li>\u5c0f\u5fc3\u65e0\u9650\u5faa\u73af\uff01<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5d4c\u5957\u662f\u5e38\u6001<\/strong>\uff1a\u6761\u4ef6\u4e2d\u53ef\u4ee5\u5d4c\u5957\u5faa\u73af\uff0c\u5faa\u73af\u4e2d\u53ef\u4ee5\u5d4c\u5957\u6761\u4ef6\uff0c\u5c31\u50cf\u4fc4\u7f57\u65af\u5957\u5a03\u3002<\/li>\n\n\n\n<li><strong>\u6240\u6709\u8bed\u8a00\u5927\u540c\u5c0f\u5f02<\/strong>\uff1a\u638c\u63e1\u4e86\u4e00\u79cd\u8bed\u8a00\u7684\u63a7\u5236\u6d41\uff0c\u5176\u4ed6\u8bed\u8a00\u53ea\u662f\u8bed\u6cd5\u4e0d\u540c\uff0c\u903b\u8f91\u5b8c\u5168\u76f8\u901a\u3002<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u73b0\u5728\u6211\u4eec\u5df2\u7ecf\u5b66\u4f1a\u4e86\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u53d8\u91cf\uff08\u5b58\u653e\u6570\u636e\u7684\u76d2\u5b50\uff09<\/li>\n\n\n\n<li>\u63a7\u5236\u6d41\uff08\u8ba9\u7a0b\u5e8f\u505a\u9009\u62e9\u548c\u91cd\u590d\uff09<\/li>\n<\/ol>\n\n\n\n<p>\u63a5\u4e0b\u6765\u5f88\u81ea\u7136\u7684\u95ee\u9898\u662f\uff1a<strong>\u201c\u5f53\u6211\u4eec\u7684\u4ee3\u7801\u8d8a\u6765\u8d8a\u957f\uff0c\u600e\u4e48\u907f\u514d\u91cd\u590d\u5199\u540c\u6837\u7684\u4ee3\u7801\u6bb5\uff1f\u600e\u4e48\u7ec4\u7ec7\u4ee3\u7801\u8ba9\u5b83\u66f4\u6e05\u6670\uff1f\u201d<\/strong> \u8fd9\u5c31\u5f15\u51fa\u4e86 <strong>\u51fd\u6570\uff08Function\uff09<\/strong> \u7684\u6982\u5ff5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u5341\u4e00\u8bfe\uff1a\u4e3a\u4ec0\u4e48\u8981\u7528\u51fd\u6570\uff1f\u2014\u2014\u907f\u514d\u91cd\u590d\u52b3\u52a8<\/strong><\/h2>\n\n\n\n<p>\u60f3\u8c61\u4e00\u4e0b\uff0c\u4f60\u6bcf\u5929\u65e9\u4e0a\u90fd\u8981\u505a\u540c\u6837\u7684\u4e8b\u60c5\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\u8d77\u5e8a<\/li>\n\n\n\n<li>\u5237\u7259<\/li>\n\n\n\n<li>\u5403\u65e9\u9910<\/li>\n\n\n\n<li>\u51fa\u95e8<\/li>\n<\/ol>\n\n\n\n<p>\u5982\u679c\u8ba9\u4f60\u5199\u4e00\u4e2a\u201c\u65e9\u4e0a\u4f8b\u884c\u7a0b\u5e8f\u201d\u7684\u4ee3\u7801\uff0c\u4f60\u53ef\u80fd\u4f1a\u8fd9\u6837\u5199\uff1a<\/p>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># \u661f\u671f\u4e00<\/em>\nprint(\"\u8d77\u5e8a\")\nprint(\"\u5237\u7259\")\nprint(\"\u5403\u65e9\u9910\")\nprint(\"\u51fa\u95e8\")\n\n<em># \u661f\u671f\u4e8c<\/em>\nprint(\"\u8d77\u5e8a\")\nprint(\"\u5237\u7259\")\nprint(\"\u5403\u65e9\u9910\")\nprint(\"\u51fa\u95e8\")\n\n<em># \u661f\u671f\u4e09<\/em>\nprint(\"\u8d77\u5e8a\")\nprint(\"\u5237\u7259\")\nprint(\"\u5403\u65e9\u9910\")\nprint(\"\u51fa\u95e8\")<\/pre>\n\n\n\n<p>\u8fd9\u6837\u5199\u4e0d\u4ec5\u91cd\u590d\uff0c\u800c\u4e14\u5982\u679c\u8981\u4fee\u6539\uff08\u6bd4\u5982\u5237\u7259\u524d\u8981\u5148\u6d17\u8138\uff09\uff0c\u5c31\u8981\u4fee\u6539\u6bcf\u4e00\u4e2a\u5730\u65b9\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u60f3\u8981\u4e00\u79cd\u65b9\u6cd5\uff0c\u628a\u8fd9\u4e00\u7cfb\u5217\u52a8\u4f5c\u6253\u5305\u6210\u4e00\u4e2a\u201c\u4f8b\u884c\u7a0b\u5e8f\u201d\uff0c\u7136\u540e\u6bcf\u5929\u8c03\u7528\u8fd9\u4e2a\u7a0b\u5e8f\u5373\u53ef\u3002\u8fd9\u5c31\u662f<strong>\u51fd\u6570<\/strong>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u5341\u4e8c\u8bfe\uff1a\u51fd\u6570\u7684\u672c\u8d28\u2014\u2014\u6253\u5305\u4e00\u7ec4\u64cd\u4f5c<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e00\u6b65\uff1a\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570<\/strong><\/h3>\n\n\n\n<p>\u5728Python\u4e2d\uff0c\u6211\u4eec\u7528&nbsp;<code>def<\/code>&nbsp;\u6765\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff1a<\/p>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">def morning_routine():\n    print(\"\u8d77\u5e8a\")\n    print(\"\u5237\u7259\")\n    print(\"\u5403\u65e9\u9910\")\n    print(\"\u51fa\u95e8\")<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>def<\/code>&nbsp;\u662f\u201c\u5b9a\u4e49\u201d\u7684\u7f29\u5199<\/li>\n\n\n\n<li><code>morning_routine<\/code>&nbsp;\u662f\u51fd\u6570\u540d\uff08\u6211\u4eec\u7ed9\u8fd9\u4e2a\u201c\u4f8b\u884c\u7a0b\u5e8f\u201d\u53d6\u7684\u540d\u5b57\uff09<\/li>\n\n\n\n<li>\u62ec\u53f7&nbsp;<code>()<\/code>&nbsp;\u91cc\u9762\u53ef\u4ee5\u653e\u4e00\u4e9b\u4e1c\u897f\uff08\u540e\u9762\u4f1a\u8bb2\uff09<\/li>\n\n\n\n<li>\u5192\u53f7&nbsp;<code>:<\/code>&nbsp;\u8868\u793a\u51fd\u6570\u5185\u5bb9\u7684\u5f00\u59cb<\/li>\n\n\n\n<li>\u7f29\u8fdb\u7684\u90e8\u5206\u662f\u51fd\u6570\u4f53\uff08\u51fd\u6570\u8981\u6267\u884c\u7684\u64cd\u4f5c\uff09<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u6b65\uff1a\u8c03\u7528\u51fd\u6570<\/strong><\/h3>\n\n\n\n<p>\u5b9a\u4e49\u51fd\u6570\u4e0d\u4f1a\u6267\u884c\u5b83\uff0c\u5c31\u50cf\u5199\u4e0b\u4e00\u4e2a\u83dc\u8c31\u4e0d\u4f1a\u81ea\u52a8\u505a\u51fa\u83dc\u4e00\u6837\u3002\u6211\u4eec\u9700\u8981\u201c\u8c03\u7528\u201d\u51fd\u6570\u6765\u6267\u884c\u5b83\uff1a<\/p>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">morning_routine()  <em># \u8c03\u7528\u51fd\u6570\uff0c\u6267\u884c\u91cc\u9762\u7684\u4ee3\u7801<\/em><\/pre>\n\n\n\n<p>\u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5728\u9700\u8981\u7684\u5730\u65b9\u91cd\u590d\u4f7f\u7528\u8fd9\u6bb5\u4ee3\u7801\uff1a<\/p>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># \u661f\u671f\u4e00<\/em>\nmorning_routine()\n\n<em># \u661f\u671f\u4e8c<\/em>\nmorning_routine()\n\n<em># \u661f\u671f\u4e09<\/em>\nmorning_routine()<\/pre>\n\n\n\n<p>\u5982\u679c\u9700\u8981\u4fee\u6539\uff0c\u53ea\u9700\u8981\u4fee\u6539\u51fd\u6570\u5b9a\u4e49\uff0c\u6240\u6709\u8c03\u7528\u5b83\u7684\u5730\u65b9\u90fd\u4f1a\u81ea\u52a8\u66f4\u65b0\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u5341\u4e09\u8bfe\uff1a\u8ba9\u51fd\u6570\u66f4\u7075\u6d3b\u2014\u2014\u53c2\u6570<\/strong><\/h2>\n\n\n\n<p>\u73b0\u5728\u7684\u65e9\u6668\u4f8b\u884c\u7a0b\u5e8f\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u5982\u679c\u6709\u65f6\u5019\u6211\u60f3\u5403\u4e0d\u540c\u7684\u65e9\u9910\u5462\uff1f\u6211\u4eec\u53ef\u4ee5\u8ba9\u51fd\u6570\u63a5\u53d7\u4e00\u4e9b\u53d8\u5316\u7684\u4fe1\u606f\uff0c\u8fd9\u4e9b\u4fe1\u606f\u53eb\u505a<strong>\u53c2\u6570<\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5e26\u53c2\u6570\u7684\u51fd\u6570<\/strong><\/h3>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">def morning_routine(breakfast):\n    print(\"\u8d77\u5e8a\")\n    print(\"\u5237\u7259\")\n    print(f\"\u5403{breakfast}\")  <em># \u4f7f\u7528\u53c2\u6570<\/em>\n    print(\"\u51fa\u95e8\")\n\n<em># \u8c03\u7528\u65f6\u4f20\u5165\u4e0d\u540c\u7684\u65e9\u9910<\/em>\nmorning_routine(\"\u9762\u5305\")\nmorning_routine(\"\u7ca5\")\nmorning_routine(\"\u9ea6\u7247\")<\/pre>\n\n\n\n<p>\u8fd9\u6837\uff0c\u51fd\u6570\u5c31\u53d8\u5f97\u7075\u6d3b\u4e86\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u591a\u4e2a\u53c2\u6570<\/strong><\/h3>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">def morning_routine(wake_up_time, breakfast):\n    print(f\"{wake_up_time}\u70b9\u8d77\u5e8a\")\n    print(\"\u5237\u7259\")\n    print(f\"\u5403{breakfast}\")\n    print(\"\u51fa\u95e8\")\n\nmorning_routine(7, \"\u9762\u5305\")\nmorning_routine(8, \"\u7ca5\")<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u5341\u56db\u8bfe\uff1a\u51fd\u6570\u7ed9\u6211\u4eec\u7ed3\u679c\u2014\u2014\u8fd4\u56de\u503c<\/strong><\/h2>\n\n\n\n<p>\u6709\u65f6\u5019\uff0c\u6211\u4eec\u4e0d\u4ec5\u5e0c\u671b\u51fd\u6570\u6267\u884c\u4e00\u4e9b\u64cd\u4f5c\uff0c\u8fd8\u5e0c\u671b\u5b83\u7ed9\u6211\u4eec\u4e00\u4e2a\u7ed3\u679c\u3002\u6bd4\u5982\uff0c\u6211\u4eec\u6709\u4e00\u4e2a\u51fd\u6570\u7528\u6765\u8ba1\u7b97\u4e24\u4e2a\u6570\u7684\u548c\uff1a<\/p>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">def add(a, b):\n    result = a + b\n    return result  <em># \u8fd4\u56de\u7ed3\u679c<\/em>\n\n<em># \u8c03\u7528\u51fd\u6570\uff0c\u5e76\u5c06\u8fd4\u56de\u503c\u8d4b\u7ed9\u53d8\u91cf<\/em>\nsum_result = add(3, 5)\nprint(sum_result)  <em># \u8f93\u51fa\uff1a8<\/em>\n\n<em># \u4e5f\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u8fd4\u56de\u503c<\/em>\nprint(add(10, 20))  <em># \u8f93\u51fa\uff1a30<\/em><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>return<\/code>&nbsp;\u8bed\u53e5\u5c06\u7ed3\u679c\u4ece\u51fd\u6570\u4e2d\u9001\u51fa\u6765\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u6ca1\u6709&nbsp;<code>return<\/code>\uff0c\u51fd\u6570\u9ed8\u8ba4\u8fd4\u56de&nbsp;<code>None<\/code>\uff08\u7a7a\u503c\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4e00\u4e2a\u5e38\u89c1\u7684\u8bef\u89e3<\/strong><\/h3>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">def add_no_return(a, b):\n    result = a + b\n\nx = add_no_return(3, 5)\nprint(x)  <em># \u8f93\u51fa\uff1aNone\uff0c\u56e0\u4e3a\u51fd\u6570\u6ca1\u6709\u8fd4\u56de\u503c<\/em><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u5341\u4e94\u8bfe\uff1a\u51fd\u6570\u7684\u7ec4\u5408\u4f7f\u7528<\/strong><\/h2>\n\n\n\n<p>\u51fd\u6570\u53ef\u4ee5\u8c03\u7528\u5176\u4ed6\u51fd\u6570\uff0c\u5c31\u50cf\u6211\u4eec\u751f\u6d3b\u4e2d\u7684\u4efb\u52a1\u53ef\u4ee5\u5206\u89e3\u6210\u5b50\u4efb\u52a1\u4e00\u6837\u3002<\/p>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">def brush_teeth():\n    print(\"\u6324\u7259\u818f\")\n    print(\"\u5237\u7259\")\n    print(\"\u6f31\u53e3\")\n\ndef eat_breakfast(food):\n    print(f\"\u51c6\u5907{food}\")\n    print(f\"\u5403{food}\")\n    print(\"\u6d17\u7897\")\n\ndef morning_routine(breakfast):\n    print(\"\u8d77\u5e8a\")\n    brush_teeth()          <em># \u8c03\u7528\u5237\u7259\u51fd\u6570<\/em>\n    eat_breakfast(breakfast)  <em># \u8c03\u7528\u5403\u65e9\u9910\u51fd\u6570<\/em>\n    print(\"\u51fa\u95e8\")\n\nmorning_routine(\"\u9762\u5305\")<\/pre>\n\n\n\n<p>\u8fd9\u6837\uff0c\u6bcf\u4e2a\u51fd\u6570\u8d1f\u8d23\u4e00\u4e2a\u5c0f\u7684\u4efb\u52a1\uff0c\u6574\u4e2a\u7a0b\u5e8f\u7ed3\u6784\u6e05\u6670\uff0c\u6613\u4e8e\u7ef4\u62a4\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u5341\u516d\u8bfe\uff1a\u4e0d\u540c\u8bed\u8a00\u7684\u51fd\u6570\u8bed\u6cd5\u5bf9\u6bd4<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Python<\/strong><\/h3>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">def greet(name):\n    return f\"Hello, {name}\"\n\nmessage = greet(\"Alice\")\nprint(message)<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C\u8bed\u8a00<\/strong><\/h3>\n\n\n\n<p>c<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">#include &lt;stdio.h&gt;\n\n<em>\/\/ \u51fd\u6570\u58f0\u660e\uff08\u544a\u8bc9\u7f16\u8bd1\u5668\u6709\u8fd9\u4e2a\u51fd\u6570\uff09<\/em>\nvoid greet(char name[]) {\n    printf(\"Hello, %s\\n\", name);\n}\n\nint main() {\n    greet(\"Alice\");\n    return 0;\n}<\/pre>\n\n\n\n<p><strong>\u7279\u70b9<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51fd\u6570\u5fc5\u987b\u58f0\u660e\u8fd4\u56de\u503c\u7c7b\u578b\uff08<code>void<\/code>&nbsp;\u8868\u793a\u4e0d\u8fd4\u56de\u4efb\u4f55\u503c\uff09<\/li>\n\n\n\n<li>\u53c2\u6570\u4e5f\u8981\u6709\u7c7b\u578b\uff08<code>char name[]<\/code>&nbsp;\u8868\u793a\u5b57\u7b26\u4e32\uff09<\/li>\n\n\n\n<li>\u51fd\u6570\u8981\u5728\u8c03\u7528\u4e4b\u524d\u5b9a\u4e49\uff0c\u6216\u8005\u5148\u58f0\u660e<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Java<\/strong><\/h3>\n\n\n\n<p>java<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">public class Main {\n    <em>\/\/ \u65b9\u6cd5\uff08Java\u4e2d\u51fd\u6570\u53eb\u65b9\u6cd5\uff09\u5fc5\u987b\u653e\u5728\u7c7b\u91cc\u9762<\/em>\n    public static void greet(String name) {\n        System.out.println(\"Hello, \" + name);\n    }\n\n    public static void main(String[] args) {\n        greet(\"Alice\");\n    }\n}<\/pre>\n\n\n\n<p><strong>\u7279\u70b9<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51fd\u6570\uff08\u65b9\u6cd5\uff09\u5fc5\u987b\u653e\u5728\u7c7b\u4e2d<\/li>\n\n\n\n<li>\u6709\u8bbf\u95ee\u4fee\u9970\u7b26\uff08<code>public<\/code>\uff09\u3001\u9759\u6001\u6807\u8bc6\uff08<code>static<\/code>\uff09\u3001\u8fd4\u56de\u503c\u7c7b\u578b\u3001\u53c2\u6570\u7c7b\u578b<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>JavaScript<\/strong><\/h3>\n\n\n\n<p>javascript<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em>\/\/ \u51fd\u6570\u5b9a\u4e49<\/em>\nfunction greet(name) {\n    return \"Hello, \" + name;\n}\n\n<em>\/\/ \u8c03\u7528<\/em>\nlet message = greet(\"Alice\");\nconsole.log(message);<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u5341\u4e03\u8bfe\uff1a\u51fd\u6570\u7684\u91cd\u8981\u6982\u5ff5<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. \u53c2\u6570\u4f20\u9012<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f4d\u7f6e\u53c2\u6570<\/strong>\uff1a\u6309\u7167\u4f4d\u7f6e\u4f20\u9012\uff0c\u6bd4\u5982&nbsp;<code>morning_routine(7, \"\u9762\u5305\")<\/code><\/li>\n\n\n\n<li><strong>\u5173\u952e\u5b57\u53c2\u6570<\/strong>\uff1a\u6307\u5b9a\u53c2\u6570\u540d\uff0c\u53ef\u4ee5\u4e0d\u6309\u987a\u5e8f\uff0c\u6bd4\u5982&nbsp;<code>morning_routine(breakfast=\"\u9762\u5305\", wake_up_time=7)<\/code><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. \u4f5c\u7528\u57df<\/strong><\/h3>\n\n\n\n<p>\u51fd\u6570\u5185\u90e8\u5b9a\u4e49\u7684\u53d8\u91cf\u662f\u5c40\u90e8\u53d8\u91cf\uff0c\u53ea\u5728\u51fd\u6570\u5185\u90e8\u6709\u6548\u3002<\/p>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">def my_function():\n    x = 10  <em># \u5c40\u90e8\u53d8\u91cf<\/em>\n    print(x)\n\nmy_function()\n<em># print(x)  # \u8fd9\u91cc\u4f1a\u62a5\u9519\uff0c\u56e0\u4e3ax\u53ea\u5728\u51fd\u6570\u5185\u90e8\u6709\u6548<\/em><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. \u8fd4\u56de\u503c<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51fd\u6570\u53ef\u4ee5\u8fd4\u56de\u591a\u4e2a\u503c\uff08\u5b9e\u9645\u4e0a\u8fd4\u56de\u4e00\u4e2a\u5143\u7ec4\uff09<\/li>\n<\/ul>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">def swap(a, b):\n    return b, a\n\nx, y = swap(3, 5)\nprint(x, y)  <em># \u8f93\u51fa\uff1a5 3<\/em><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u5341\u516b\u8bfe\uff1a\u51fd\u6570\u7684\u601d\u7ef4\u4f53\u64cd<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7ec3\u4e601\uff1a\u7406\u89e3\u51fd\u6570\u8c03\u7528\u8fc7\u7a0b<\/strong><\/h3>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">def double(x):\n    return x * 2\n\ndef add(a, b):\n    return a + b\n\nresult = add(double(3), double(4))\n<em># \u5206\u6b65\uff1a<\/em>\n<em># 1. double(3) \u8fd4\u56de 6<\/em>\n<em># 2. double(4) \u8fd4\u56de 8<\/em>\n<em># 3. add(6, 8) \u8fd4\u56de 14<\/em>\nprint(result)  <em># \u8f93\u51fa\uff1a14<\/em><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7ec3\u4e602\uff1a\u51fd\u6570\u4e0e\u5faa\u73af\u7ed3\u5408<\/strong><\/h3>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">def print_multiple_times(message, times):\n    for i in range(times):\n        print(message)\n\nprint_multiple_times(\"\u4f60\u597d\", 3)<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7ec3\u4e603\uff1a\u8fd4\u56de\u503c\u7684\u4f7f\u7528<\/strong><\/h3>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">def is_even(number):\n    if number % 2 == 0:\n        return True\n    else:\n        return False\n\n<em># \u6216\u8005\u66f4\u7b80\u6d01\uff1areturn number % 2 == 0<\/em>\n\nnumbers = [1, 2, 3, 4, 5]\nfor num in numbers:\n    if is_even(num):\n        print(f\"{num} \u662f\u5076\u6570\")\n    else:\n        print(f\"{num} \u662f\u5947\u6570\")<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u6559\u5b66\u603b\u7ed3\uff1a\u51fd\u6570\u7684\u6838\u5fc3\u6982\u5ff5<\/strong><\/h2>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u51fd\u6570\u7684\u76ee\u7684\u662f\u5c01\u88c5\u4ee3\u7801<\/strong>\uff1a\u5c06\u4e00\u6bb5\u5e38\u7528\u7684\u4ee3\u7801\u6253\u5305\uff0c\u4fbf\u4e8e\u91cd\u590d\u4f7f\u7528\u548c\u7ec4\u7ec7\u3002<\/li>\n\n\n\n<li><strong>\u51fd\u6570\u7684\u57fa\u672c\u7ed3\u6784<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u51fd\u6570\u540d\uff1a\u7528\u6765\u8c03\u7528\u51fd\u6570<\/li>\n\n\n\n<li>\u53c2\u6570\uff1a\u8ba9\u51fd\u6570\u53ef\u4ee5\u63a5\u53d7\u5916\u90e8\u6570\u636e<\/li>\n\n\n\n<li>\u51fd\u6570\u4f53\uff1a\u6267\u884c\u7684\u64cd\u4f5c<\/li>\n\n\n\n<li>\u8fd4\u56de\u503c\uff1a\u5c06\u7ed3\u679c\u8fd4\u56de\u7ed9\u8c03\u7528\u8005<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u51fd\u6570\u7684\u4f18\u52bf<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u907f\u514d\u91cd\u590d\u4ee3\u7801<\/li>\n\n\n\n<li>\u63d0\u9ad8\u4ee3\u7801\u53ef\u8bfb\u6027<\/li>\n\n\n\n<li>\u4fbf\u4e8e\u7ef4\u62a4\u548c\u8c03\u8bd5<\/li>\n\n\n\n<li>\u6a21\u5757\u5316\u8bbe\u8ba1\uff0c\u5206\u89e3\u590d\u6742\u95ee\u9898<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u6240\u6709\u8bed\u8a00\u7684\u51fd\u6570\u601d\u60f3\u76f8\u540c<\/strong>\uff1a\u53ea\u662f\u8bed\u6cd5\u7ec6\u8282\u6709\u5dee\u5f02\u3002<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u73b0\u5728\u6211\u4eec\u5df2\u7ecf\u638c\u63e1\u4e86\u7f16\u7a0b\u7684\u4e09\u4e2a\u6838\u5fc3\u57fa\u7840\uff1a<\/strong><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\u53d8\u91cf\uff08\u5b58\u653e\u6570\u636e\uff09<\/li>\n\n\n\n<li>\u63a7\u5236\u6d41\uff08\u63a7\u5236\u6267\u884c\u987a\u5e8f\uff09<\/li>\n\n\n\n<li>\u51fd\u6570\uff08\u7ec4\u7ec7\u4ee3\u7801\u5757\uff09<\/li>\n<\/ol>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u53ef\u4ee5\u8ba8\u8bba<strong>\u6570\u636e\u7ed3\u6784<\/strong>\u2014\u2014\u5982\u4f55\u7ec4\u7ec7\u548c\u7ba1\u7406\u591a\u4e2a\u6570\u636e\u3002\u6bd4\u5982\uff0c\u5982\u4f55\u7ba1\u7406\u4e00\u4e2a\u73ed\u7ea7\u6240\u6709\u5b66\u751f\u7684\u6210\u7ee9\uff1f\u8fd9\u5c31\u8981\u7528\u5230\u5217\u8868\uff08\u6570\u7ec4\uff09\u3001\u5b57\u5178\uff08\u5bf9\u8c61\uff09\u7b49\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u5df2\u7ecf\u7406\u89e3\u4e86\u53d8\u91cf\u3001\u63a7\u5236\u6d41\u548c\u51fd\u6570\u7684\u57fa\u672c\u6982\u5ff5\u3002\u73b0\u5728\u8ba9\u6211\u4eec\u8fdb\u5165\u7f16\u7a0b\u4e2d\u6700\u6709\u8da3\u3001\u6700\u5b9e\u7528\u7684\u90e8\u5206\u2014\u2014<strong>\u6570\u636e\u7ed3\u6784<\/strong>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u5341\u4e5d\u8bfe\uff1a\u4e3a\u4ec0\u4e48\u9700\u8981\u6570\u636e\u7ed3\u6784\uff1f\u2014\u2014\u4ece\u5355\u4e2a\u76d2\u5b50\u5230\u50a8\u7269\u67dc<\/strong><\/h2>\n\n\n\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u5904\u7406\u7684\u90fd\u662f\u5355\u4e2a\u53d8\u91cf\uff1a<\/p>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">student1 = \"\u5f20\u4e09\"\nstudent2 = \"\u674e\u56db\"\nstudent3 = \"\u738b\u4e94\"<\/pre>\n\n\n\n<p>\u4f46\u60f3\u8c61\u4e00\u4e0b\uff0c\u5982\u679c\u4e00\u4e2a\u73ed\u670950\u4e2a\u5b66\u751f\u5462\uff1f\u6211\u4eec\u8981\u521b\u5efa50\u4e2a\u53d8\u91cf\u5417\uff1f\u8fd9\u663e\u7136\u4e0d\u73b0\u5b9e\u3002\u6211\u4eec\u9700\u8981\u4e00\u79cd\u65b9\u5f0f\u6765<strong>\u7ec4\u7ec7\u548c\u7ba1\u7406\u4e00\u7ec4\u76f8\u5173\u7684\u6570\u636e<\/strong>\u3002<\/p>\n\n\n\n<p>\u8fd9\u5c31\u662f\u6570\u636e\u7ed3\u6784\u7684\u7528\u6b66\u4e4b\u5730\u3002\u5b83\u5c31\u50cf\u4ece\u5355\u4e2a\u201c\u76d2\u5b50\u201d\u5347\u7ea7\u5230\u201c\u50a8\u7269\u67dc\u201d\u3001\u201c\u4e66\u67b6\u201d\u6216\u201c\u6587\u4ef6\u67dc\u201d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u5341\u8bfe\uff1a\u6700\u7b80\u5355\u7684\u6570\u636e\u7ed3\u6784\u2014\u2014\u5217\u8868\uff08\u6570\u7ec4\uff09<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e00\u6b65\uff1a\u7406\u89e3\u5217\u8868\u2014\u2014\u4e00\u6392\u7f16\u53f7\u7684\u76d2\u5b50<\/strong><\/h3>\n\n\n\n<p>\u5217\u8868\u5c31\u50cf\u4e00\u4e2a\u4e00\u6392\u6709\u7f16\u53f7\u7684\u50a8\u7269\u67dc\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6bcf\u4e2a\u683c\u5b50\u53ef\u4ee5\u653e\u4e00\u6837\u4e1c\u897f<\/li>\n\n\n\n<li>\u683c\u5b50\u6709\u7f16\u53f7\uff08\u7d22\u5f15\uff09\uff0c\u4ece0\u5f00\u59cb<\/li>\n\n\n\n<li>\u53ef\u4ee5\u968f\u65f6\u5f80\u91cc\u9762\u653e\u4e1c\u897f\u6216\u53d6\u4e1c\u897f<\/li>\n<\/ul>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># \u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868<\/em>\nempty_list = []\n\n<em># \u521b\u5efa\u4e00\u4e2a\u6709\u521d\u59cb\u5185\u5bb9\u7684\u5217\u8868<\/em>\nstudents = [\"\u5f20\u4e09\", \"\u674e\u56db\", \"\u738b\u4e94\", \"\u8d75\u516d\"]<\/pre>\n\n\n\n<p>\u60f3\u8c61\u4e00\u4e0b\u8fd94\u4e2a\u540d\u5b57\u5206\u522b\u653e\u5728\u50a8\u7269\u67dc\u76840\u30011\u30012\u30013\u53f7\u683c\u5b50\u91cc\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u6b65\uff1a\u8bbf\u95ee\u5217\u8868\u5143\u7d20\u2014\u2014\u901a\u8fc7\u7f16\u53f7\u627e\u5230\u683c\u5b50<\/strong><\/h3>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># \u83b7\u53d6\u7b2c\u4e00\u4e2a\u5b66\u751f\uff08\u7d22\u5f15\u4ece0\u5f00\u59cb\uff01\uff09<\/em>\nfirst_student = students[0]\nprint(first_student)  <em># \u8f93\u51fa\uff1a\u5f20\u4e09<\/em>\n\n<em># \u83b7\u53d6\u7b2c\u4e09\u4e2a\u5b66\u751f<\/em>\nthird_student = students[2]\nprint(third_student)  <em># \u8f93\u51fa\uff1a\u738b\u4e94<\/em><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e09\u6b65\uff1a\u4fee\u6539\u5217\u8868\u5185\u5bb9\u2014\u2014\u66ff\u6362\u683c\u5b50\u91cc\u7684\u4e1c\u897f<\/strong><\/h3>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># \u4fee\u6539\u7b2c\u4e8c\u4e2a\u5b66\u751f\u7684\u540d\u5b57<\/em>\nstudents[1] = \"\u674e\u56db\u56db\"  <em># \u6ce8\u610f\uff1a\u7d22\u5f151\u662f\u7b2c\u4e8c\u4e2a\u5143\u7d20<\/em>\nprint(students)  <em># \u8f93\u51fa\uff1a['\u5f20\u4e09', '\u674e\u56db\u56db', '\u738b\u4e94', '\u8d75\u516d']<\/em><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u56db\u6b65\uff1a\u5217\u8868\u7684\u57fa\u672c\u64cd\u4f5c<\/strong><\/h3>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># 1. \u6dfb\u52a0\u5143\u7d20\u5230\u672b\u5c3e<\/em>\nstudents.append(\"\u5b59\u4e03\")\nprint(students)  <em># ['\u5f20\u4e09', '\u674e\u56db\u56db', '\u738b\u4e94', '\u8d75\u516d', '\u5b59\u4e03']<\/em>\n\n<em># 2. \u63d2\u5165\u5143\u7d20\u5230\u6307\u5b9a\u4f4d\u7f6e<\/em>\nstudents.insert(1, \"\u94b1\u516b\")  <em># \u63d2\u5165\u5230\u7d22\u5f151\u7684\u4f4d\u7f6e<\/em>\nprint(students)  <em># ['\u5f20\u4e09', '\u94b1\u516b', '\u674e\u56db\u56db', '\u738b\u4e94', '\u8d75\u516d', '\u5b59\u4e03']<\/em>\n\n<em># 3. \u5220\u9664\u5143\u7d20<\/em>\nstudents.remove(\"\u738b\u4e94\")  <em># \u5220\u9664\u6307\u5b9a\u5143\u7d20<\/em>\ndel students[0]  <em># \u5220\u9664\u7d22\u5f150\u7684\u5143\u7d20<\/em>\nprint(students)  <em># ['\u94b1\u516b', '\u674e\u56db\u56db', '\u8d75\u516d', '\u5b59\u4e03']<\/em>\n\n<em># 4. \u83b7\u53d6\u5217\u8868\u957f\u5ea6<\/em>\ncount = len(students)\nprint(f\"\u73b0\u5728\u6709{count}\u4e2a\u5b66\u751f\")  <em># \u73b0\u5728\u67094\u4e2a\u5b66\u751f<\/em><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e94\u6b65\uff1a\u5217\u8868\u7684\u904d\u5386\u2014\u2014\u68c0\u67e5\u6bcf\u4e2a\u683c\u5b50<\/strong><\/h3>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># \u65b9\u6cd51\uff1a\u76f4\u63a5\u904d\u5386\u5143\u7d20<\/em>\nfor student in students:\n    print(f\"\u5b66\u751f\uff1a{student}\")\n\n<em># \u65b9\u6cd52\uff1a\u540c\u65f6\u83b7\u53d6\u7d22\u5f15\u548c\u5143\u7d20<\/em>\nfor i, student in enumerate(students):\n    print(f\"\u7b2c{i}\u53f7\u5b66\u751f\uff1a{student}\")<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u5341\u4e00\u8bfe\uff1a\u952e\u503c\u5bf9\u7ed3\u6784\u2014\u2014\u5b57\u5178\uff08\u5bf9\u8c61\/\u6620\u5c04\uff09<\/strong><\/h2>\n\n\n\n<p>\u5217\u8868\u5f88\u597d\uff0c\u4f46\u6709\u65f6\u5019\u6211\u4eec\u4e0d\u60f3\u7528\u6570\u5b57\u7f16\u53f7\uff0c\u800c\u60f3\u7528\u6709\u610f\u4e49\u7684\u540d\u5b57\u6765\u627e\u4e1c\u897f\u3002\u5c31\u50cf\u73b0\u5b9e\u4e2d\u7684\u5b57\u5178\uff1a\u901a\u8fc7&#8221;\u5355\u8bcd&#8221;\u67e5\u627e&#8221;\u89e3\u91ca&#8221;\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e00\u6b65\uff1a\u7406\u89e3\u5b57\u5178\u2014\u2014\u6709\u6807\u7b7e\u7684\u50a8\u7269\u67dc<\/strong><\/h3>\n\n\n\n<p>\u5b57\u5178\u5c31\u50cf\u4e00\u4e2a\u50a8\u7269\u67dc\uff0c\u4f46\u6bcf\u4e2a\u683c\u5b50\u90fd\u6709\u81ea\u5df1\u7684\u540d\u5b57\u6807\u7b7e\uff08\u952e\uff09\uff0c\u800c\u4e0d\u662f\u6570\u5b57\u7f16\u53f7\u3002<\/p>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># \u521b\u5efa\u4e00\u4e2a\u5b57\u5178\u5b58\u50a8\u5b66\u751f\u4fe1\u606f<\/em>\nstudent_info = {\n    \"name\": \"\u5f20\u4e09\",\n    \"age\": 18,\n    \"score\": 95,\n    \"class\": \"\u4e09\u5e74\u7ea7\u4e8c\u73ed\"\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u6b65\uff1a\u8bbf\u95ee\u5b57\u5178\u5143\u7d20\u2014\u2014\u901a\u8fc7\u6807\u7b7e\u627e\u5230\u683c\u5b50<\/strong><\/h3>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># \u901a\u8fc7\u952e\uff08key\uff09\u83b7\u53d6\u503c\uff08value\uff09<\/em>\nname = student_info[\"name\"]\nage = student_info[\"age\"]\nprint(f\"\u59d3\u540d\uff1a{name}\uff0c\u5e74\u9f84\uff1a{age}\")\n\n<em># \u5b89\u5168\u7684\u83b7\u53d6\u65b9\u5f0f\uff08\u907f\u514d\u952e\u4e0d\u5b58\u5728\u65f6\u62a5\u9519\uff09<\/em>\nscore = student_info.get(\"score\", 0)  <em># \u5982\u679c\"score\"\u4e0d\u5b58\u5728\uff0c\u8fd4\u56de0<\/em><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e09\u6b65\uff1a\u4fee\u6539\u548c\u6dfb\u52a0\u5b57\u5178\u5143\u7d20<\/strong><\/h3>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># \u4fee\u6539\u5df2\u6709\u952e\u7684\u503c<\/em>\nstudent_info[\"score\"] = 98\n\n<em># \u6dfb\u52a0\u65b0\u7684\u952e\u503c\u5bf9<\/em>\nstudent_info[\"gender\"] = \"\u7537\"\n\nprint(student_info)<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u56db\u6b65\uff1a\u5b57\u5178\u7684\u904d\u5386<\/strong><\/h3>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># \u904d\u5386\u6240\u6709\u952e<\/em>\nfor key in student_info:\n    print(f\"\u952e\uff1a{key}\uff0c\u503c\uff1a{student_info[key]}\")\n\n<em># \u540c\u65f6\u904d\u5386\u952e\u548c\u503c<\/em>\nfor key, value in student_info.items():\n    print(f\"{key}: {value}\")<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u5341\u4e8c\u8bfe\uff1a\u96c6\u5408\u2014\u2014\u6ca1\u6709\u91cd\u590d\u7684\u888b\u5b50<\/strong><\/h2>\n\n\n\n<p>\u6709\u65f6\u5019\u6211\u4eec\u53ea\u5173\u5fc3\u4e1c\u897f\u5728\u4e0d\u5728\u888b\u5b50\u91cc\uff0c\u4e0d\u5173\u5fc3\u987a\u5e8f\uff0c\u4e5f\u4e0d\u5141\u8bb8\u91cd\u590d\u3002\u8fd9\u5c31\u662f\u96c6\u5408\u3002<\/p>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># \u521b\u5efa\u4e00\u4e2a\u96c6\u5408<\/em>\nunique_numbers = {1, 2, 3, 4, 5}\nprint(unique_numbers)\n\n<em># \u6dfb\u52a0\u5143\u7d20<\/em>\nunique_numbers.add(6)\nunique_numbers.add(3)  <em># \u91cd\u590d\u7684\u4e0d\u4f1a\u6dfb\u52a0<\/em>\nprint(unique_numbers)  <em># {1, 2, 3, 4, 5, 6}<\/em>\n\n<em># \u96c6\u5408\u8fd0\u7b97\uff08\u50cf\u6570\u5b66\u4e2d\u7684\u96c6\u5408\uff09<\/em>\nset_a = {1, 2, 3, 4}\nset_b = {3, 4, 5, 6}\n\nprint(set_a | set_b)  <em># \u5e76\u96c6\uff1a{1, 2, 3, 4, 5, 6}<\/em>\nprint(set_a &amp; set_b)  <em># \u4ea4\u96c6\uff1a{3, 4}<\/em>\nprint(set_a - set_b)  <em># \u5dee\u96c6\uff1a{1, 2}<\/em><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u5341\u4e09\u8bfe\uff1a\u6570\u636e\u7ed3\u6784\u7684\u9009\u62e9\u2014\u2014\u7528\u4ec0\u4e48\u5de5\u5177\u89e3\u51b3\u4ec0\u4e48<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u6570\u636e\u7ed3\u6784<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u6bd4\u55bb<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u9002\u7528\u573a\u666f<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u7279\u70b9<\/th><\/tr><\/thead><tbody><tr><td><strong>\u5217\u8868\/\u6570\u7ec4<\/strong><\/td><td>\u4e00\u6392\u7f16\u53f7\u7684\u50a8\u7269\u67dc<\/td><td>\u6709\u5e8f\u7684\u6570\u636e\u96c6\u5408\uff0c\u9700\u8981\u6309\u4f4d\u7f6e\u8bbf\u95ee<\/td><td>\u6709\u987a\u5e8f\uff0c\u53ef\u91cd\u590d\uff0c\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee<\/td><\/tr><tr><td><strong>\u5b57\u5178\/\u5bf9\u8c61<\/strong><\/td><td>\u6709\u6807\u7b7e\u7684\u50a8\u7269\u67dc<\/td><td>\u952e\u503c\u5bf9\u6570\u636e\uff0c\u901a\u8fc7\u540d\u5b57\u5feb\u901f\u67e5\u627e<\/td><td>\u65e0\u987a\u5e8f\uff08Python 3.7+\u6709\u5e8f\uff09\uff0c\u952e\u552f\u4e00<\/td><\/tr><tr><td><strong>\u96c6\u5408<\/strong><\/td><td>\u4e0d\u91cd\u590d\u7684\u888b\u5b50<\/td><td>\u68c0\u67e5\u6210\u5458\u662f\u5426\u5b58\u5728\uff0c\u53bb\u91cd\uff0c\u96c6\u5408\u8fd0\u7b97<\/td><td>\u65e0\u5e8f\uff0c\u5143\u7d20\u552f\u4e00<\/td><\/tr><tr><td><strong>\u5143\u7ec4<\/strong><\/td><td>\u4e0a\u9501\u7684\u76d2\u5b50<\/td><td>\u56fa\u5b9a\u4e0d\u53d8\u7684\u6570\u636e\u96c6\u5408<\/td><td>\u4e00\u65e6\u521b\u5efa\u4e0d\u80fd\u4fee\u6539<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u5143\u7ec4\u793a\u4f8b<\/strong>\uff08Python\u4e2d\u4e0d\u53ef\u53d8\u7684\u5217\u8868\uff09\uff1a<\/p>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># \u521b\u5efa\u5143\u7ec4<\/em>\ncoordinates = (10, 20)\nprint(coordinates[0])  <em># 10<\/em>\n\n<em># coordinates[0] = 5  # \u9519\u8bef\uff01\u5143\u7ec4\u4e0d\u80fd\u4fee\u6539<\/em><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u5341\u56db\u8bfe\uff1a\u4e0d\u540c\u8bed\u8a00\u4e2d\u7684\u6570\u636e\u7ed3\u6784<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Python<\/strong><\/h3>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># \u5217\u8868<\/em>\nnumbers = [1, 2, 3]\n<em># \u5b57\u5178<\/em>\nperson = {\"name\": \"Alice\", \"age\": 25}\n<em># \u96c6\u5408<\/em>\nunique = {1, 2, 3}\n<em># \u5143\u7ec4<\/em>\npoint = (10, 20)<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>JavaScript<\/strong><\/h3>\n\n\n\n<p>javascript<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em>\/\/ \u6570\u7ec4\uff08\u7c7b\u4f3cPython\u5217\u8868\uff09<\/em>\nlet numbers = [1, 2, 3];\n\n<em>\/\/ \u5bf9\u8c61\uff08\u7c7b\u4f3cPython\u5b57\u5178\uff09<\/em>\nlet person = {name: \"Alice\", age: 25};\n\n<em>\/\/ \u96c6\u5408\uff08ES6\u65b0\u589e\uff09<\/em>\nlet unique = new Set([1, 2, 3, 3]);  <em>\/\/ \u81ea\u52a8\u53bb\u91cd\uff1a{1, 2, 3}<\/em><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Java<\/strong><\/h3>\n\n\n\n<p>java<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em>\/\/ \u6570\u7ec4<\/em>\nint[] numbers = {1, 2, 3};\n\n<em>\/\/ \u5217\u8868\uff08ArrayList\uff09<\/em>\nimport java.util.ArrayList;\nArrayList&lt;String&gt; students = new ArrayList&lt;&gt;();\nstudents.add(\"\u5f20\u4e09\");\n\n<em>\/\/ \u6620\u5c04\uff08HashMap\uff0c\u7c7b\u4f3c\u5b57\u5178\uff09<\/em>\nimport java.util.HashMap;\nHashMap&lt;String, Integer&gt; scores = new HashMap&lt;&gt;();\nscores.put(\"\u5f20\u4e09\", 95);\n\n<em>\/\/ \u96c6\u5408\uff08HashSet\uff09<\/em>\nimport java.util.HashSet;\nHashSet&lt;Integer&gt; uniqueNumbers = new HashSet&lt;&gt;();\nuniqueNumbers.add(1);<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C\u8bed\u8a00<\/strong><\/h3>\n\n\n\n<p>c<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em>\/\/ \u6570\u7ec4\uff08\u56fa\u5b9a\u5927\u5c0f\uff09<\/em>\nint numbers[5] = {1, 2, 3, 4, 5};\n\n<em>\/\/ \u7ed3\u6784\u4f53\uff08struct\uff0c\u7c7b\u4f3c\u7b80\u5355\u5bf9\u8c61\uff09<\/em>\nstruct Student {\n    char name[50];\n    int age;\n    float score;\n};\n\nstruct Student s1;\nstrcpy(s1.name, \"\u5f20\u4e09\");\ns1.age = 18;\n\n<em>\/\/ C\u6ca1\u6709\u5185\u7f6e\u7684\u5b57\u5178\u3001\u96c6\u5408\uff0c\u9700\u8981\u81ea\u5df1\u5b9e\u73b0\u6216\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93<\/em><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u5341\u4e94\u8bfe\uff1a\u6570\u636e\u7ed3\u6784\u5b9e\u6218\u2014\u2014\u5b66\u751f\u6210\u7ee9\u7ba1\u7406\u7cfb\u7edf<\/strong><\/h2>\n\n\n\n<p>\u8ba9\u6211\u4eec\u7528\u5b66\u5230\u7684\u6570\u636e\u7ed3\u6784\u6765\u6784\u5efa\u4e00\u4e2a\u5c0f\u7cfb\u7edf\uff1a<\/p>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># \u7528\u5b57\u5178\u5b58\u50a8\u73ed\u7ea7\u4fe1\u606f\uff0c\u6bcf\u4e2a\u5b66\u751f\u4e5f\u662f\u4e00\u4e2a\u5b57\u5178<\/em>\nclass_3_2 = {\n    \"students\": [\n        {\n            \"id\": 1,\n            \"name\": \"\u5f20\u4e09\",\n            \"scores\": {\"math\": 95, \"english\": 88, \"chinese\": 92}\n        },\n        {\n            \"id\": 2,\n            \"name\": \"\u674e\u56db\",\n            \"scores\": {\"math\": 87, \"english\": 91, \"chinese\": 85}\n        }\n    ],\n    \"teacher\": \"\u738b\u8001\u5e08\",\n    \"class_name\": \"\u4e09\u5e74\u7ea7\u4e8c\u73ed\"\n}\n\n<em># \u8ba1\u7b97\u6bcf\u4e2a\u5b66\u751f\u7684\u5e73\u5747\u5206<\/em>\nfor student in class_3_2[\"students\"]:\n    scores = student[\"scores\"].values()  <em># \u83b7\u53d6\u6240\u6709\u5206\u6570<\/em>\n    average = sum(scores) \/ len(scores)\n    student[\"average\"] = average  <em># \u6dfb\u52a0\u5e73\u5747\u5206\u5230\u5b66\u751f\u4fe1\u606f\u4e2d<\/em>\n    print(f\"{student['name']}\u7684\u5e73\u5747\u5206\uff1a{average:.1f}\")\n\n<em># \u67e5\u627e\u7279\u5b9a\u5b66\u751f<\/em>\ndef find_student_by_name(students, name):\n    for student in students:\n        if student[\"name\"] == name:\n            return student\n    return None\n\nzhangsan = find_student_by_name(class_3_2[\"students\"], \"\u5f20\u4e09\")\nif zhangsan:\n    print(f\"\u627e\u5230\u5b66\u751f\uff1a{zhangsan['name']}\uff0c\u6570\u5b66\u6210\u7ee9\uff1a{zhangsan['scores']['math']}\")<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u5341\u516d\u8bfe\uff1a\u6570\u636e\u7ed3\u6784\u7684\u601d\u7ef4\u4f53\u64cd<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7ec3\u4e601\uff1a\u7edf\u8ba1\u5355\u8bcd\u51fa\u73b0\u6b21\u6570<\/strong><\/h3>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">text = \"\u82f9\u679c \u9999\u8549 \u82f9\u679c \u6a59\u5b50 \u9999\u8549 \u82f9\u679c \u8461\u8404\"\nwords = text.split()  <em># \u5206\u5272\u6210\u5355\u8bcd\u5217\u8868<\/em>\n\n<em># \u65b9\u6cd51\uff1a\u4f7f\u7528\u5b57\u5178\u7edf\u8ba1<\/em>\nword_count = {}\nfor word in words:\n    if word in word_count:\n        word_count[word] += 1\n    else:\n        word_count[word] = 1\n\nprint(word_count)  <em># {'\u82f9\u679c': 3, '\u9999\u8549': 2, '\u6a59\u5b50': 1, '\u8461\u8404': 1}<\/em>\n\n<em># \u65b9\u6cd52\uff1a\u4f7f\u7528\u96c6\u5408\u548c\u5217\u8868\u65b9\u6cd5<\/em>\nunique_words = set(words)\nfor word in unique_words:\n    print(f\"{word}\u51fa\u73b0\u4e86{words.count(word)}\u6b21\")<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7ec3\u4e602\uff1a\u5217\u8868\u63a8\u5bfc\u5f0f\uff08Python\u7279\u6709\uff0c\u4f46\u601d\u60f3\u901a\u7528\uff09<\/strong><\/h3>\n\n\n\n<p>python<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><em># \u4f20\u7edf\u65b9\u6cd5\uff1a\u7b5b\u9009\u51fa\u6240\u6709\u5076\u6570<\/em>\nnumbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]\neven_numbers = []\nfor num in numbers:\n    if num % 2 == 0:\n        even_numbers.append(num)\n\n<em># \u5217\u8868\u63a8\u5bfc\u5f0f\uff1a\u4e00\u884c\u4ee3\u7801\u5b8c\u6210<\/em>\neven_numbers_v2 = [num for num in numbers if num % 2 == 0]\nprint(even_numbers_v2)  <em># [2, 4, 6, 8, 10]<\/em>\n\n<em># \u521b\u5efa\u5e73\u65b9\u6570\u5217\u8868<\/em>\nsquares = [x**2 for x in range(1, 6)]\nprint(squares)  <em># [1, 4, 9, 16, 25]<\/em><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u6559\u5b66\u603b\u7ed3\uff1a\u6570\u636e\u7ed3\u6784\u7684\u6838\u5fc3\u6982\u5ff5<\/strong><\/h2>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u7ec4\u7ec7\u6570\u636e\u7684\u91cd\u8981\u6027<\/strong>\uff1a\u5f53\u6570\u636e\u91cf\u53d8\u5927\u65f6\uff0c\u9700\u8981\u7ed3\u6784\u5316\u7684\u65b9\u5f0f\u6765\u7ba1\u7406\u3002<\/li>\n\n\n\n<li><strong>\u6838\u5fc3\u6570\u636e\u7ed3\u6784\u4e09\u5251\u5ba2<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u5217\u8868\/\u6570\u7ec4<\/strong>\uff1a\u6709\u5e8f\u96c6\u5408\uff0c\u9002\u5408\u6309\u4f4d\u7f6e\u8bbf\u95ee<\/li>\n\n\n\n<li><strong>\u5b57\u5178\/\u5bf9\u8c61<\/strong>\uff1a\u952e\u503c\u5bf9\uff0c\u9002\u5408\u5feb\u901f\u67e5\u627e<\/li>\n\n\n\n<li><strong>\u96c6\u5408<\/strong>\uff1a\u65e0\u5e8f\u552f\u4e00\u96c6\u5408\uff0c\u9002\u5408\u53bb\u91cd\u548c\u6210\u5458\u68c0\u67e5<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u7ed3\u6784<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u9700\u8981\u4fdd\u6301\u987a\u5e8f\u5417\uff1f\u2192 \u5217\u8868<\/li>\n\n\n\n<li>\u9700\u8981\u901a\u8fc7\u540d\u5b57\u5feb\u901f\u67e5\u627e\u5417\uff1f\u2192 \u5b57\u5178<\/li>\n\n\n\n<li>\u9700\u8981\u786e\u4fdd\u6ca1\u6709\u91cd\u590d\u5417\uff1f\u2192 \u96c6\u5408<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7ec4\u5408\u4f7f\u7528<\/strong>\uff1a\u73b0\u5b9e\u4e2d\u7684\u6570\u636e\u7ed3\u6784\u5f80\u5f80\u662f\u5d4c\u5957\u7684\uff0c\u6bd4\u5982\u5217\u8868\u4e2d\u7684\u5b57\u5178\uff0c\u5b57\u5178\u4e2d\u7684\u5217\u8868\u3002<\/li>\n\n\n\n<li><strong>\u8bed\u8a00\u95f4\u7684\u5dee\u5f02<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>Python\u7684\u5217\u8868\u548c\u5b57\u5178\u975e\u5e38\u7075\u6d3b<\/li>\n\n\n\n<li>Java\u9700\u8981\u660e\u786e\u6307\u5b9a\u7c7b\u578b<\/li>\n\n\n\n<li>C\u8bed\u8a00\u9700\u8981\u81ea\u5df1\u7ba1\u7406\u66f4\u591a\u7ec6\u8282<\/li>\n\n\n\n<li>JavaScript\u7684\u5bf9\u8c61\u548c\u6570\u7ec4\u5f88\u7075\u6d3b<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u73b0\u5728\u6211\u4eec\u5df2\u7ecf\u638c\u63e1\u4e86\u7f16\u7a0b\u7684\u56db\u4e2a\u6838\u5fc3\u57fa\u7840\uff1a<\/strong><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\u53d8\u91cf\uff08\u5b58\u653e\u6570\u636e\uff09<\/li>\n\n\n\n<li>\u63a7\u5236\u6d41\uff08\u63a7\u5236\u6267\u884c\u987a\u5e8f\uff09<\/li>\n\n\n\n<li>\u51fd\u6570\uff08\u7ec4\u7ec7\u4ee3\u7801\u5757\uff09<\/li>\n\n\n\n<li>\u6570\u636e\u7ed3\u6784\uff08\u7ec4\u7ec7\u6570\u636e\uff09<\/li>\n<\/ol>\n\n\n\n<p>\u8fd9\u56db\u8005\u6784\u6210\u4e86\u7f16\u7a0b\u7684\u57fa\u7840\u3002\u638c\u63e1\u4e86\u8fd9\u4e9b\uff0c\u4f60\u5df2\u7ecf\u80fd\u591f\u89e3\u51b3\u5f88\u591a\u5b9e\u9645\u95ee\u9898\u4e86\uff01<\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\u6211\u4eec\u53ef\u4ee5\u8ba8\u8bba<strong>\u6587\u4ef6\u64cd\u4f5c\u548c\u5f02\u5e38\u5904\u7406<\/strong>\uff08\u5982\u4f55\u4e0e\u5916\u90e8\u4e16\u754c\u4ea4\u4e92\uff09\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u6587\u4ef6\u64cd\u4f5c\u548c\u5f02\u5e38\u5904\u7406\uff1a\u4e0e\u5916\u90e8\u4e16\u754c\u7684\u5b89\u5168\u4ea4\u4e92<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u5341\u4e03\u8bfe\uff1a\u4e3a\u4ec0\u4e48\u9700\u8981\u6587\u4ef6\u64cd\u4f5c\u548c\u5f02\u5e38\u5904\u7406\uff1f<\/strong><\/h2>\n\n\n\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u7684\u7a0b\u5e8f\u90fd\u5728\u5185\u5b58\u4e2d\u8fd0\u884c\u3002\u4f46\u5185\u5b58\u662f<strong>\u4e34\u65f6\u5b58\u50a8<\/strong>\u2014\u2014\u7a0b\u5e8f\u5173\u95ed\uff0c\u6570\u636e\u5c31\u6ca1\u4e86\u3002\u8fd9\u5c31\u50cf\u5728\u9ed1\u677f\u4e0a\u5199\u5b57\uff0c\u4e00\u64e6\u5c31\u6ca1\u4e86\u3002<\/p>\n\n\n\n<p>\u800c\u6587\u4ef6\u662f<strong>\u6301\u4e45\u5b58\u50a8<\/strong>\u2014\u2014\u5c31\u50cf\u628a\u91cd\u8981\u4fe1\u606f\u5199\u5728\u672c\u5b50\u4e0a\uff0c\u53ef\u4ee5\u957f\u671f\u4fdd\u5b58\u3002<\/p>\n\n\n\n<p>\u4f46\u548c\u5916\u90e8\u4e16\u754c\uff08\u6587\u4ef6\u3001\u7f51\u7edc\u3001\u7528\u6237\uff09\u4ea4\u4e92\u65f6\uff0c\u603b\u4f1a\u6709\u610f\u5916\u53d1\u751f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6587\u4ef6\u53ef\u80fd\u4e0d\u5b58\u5728<\/li>\n\n\n\n<li>\u78c1\u76d8\u53ef\u80fd\u6ee1\u4e86<\/li>\n\n\n\n<li>\u7f51\u7edc\u53ef\u80fd\u65ad\u5f00<\/li>\n\n\n\n<li>\u7528\u6237\u53ef\u80fd\u8f93\u5165\u9519\u8bef\u6570\u636e<\/li>\n<\/ul>\n\n\n\n<p>\u6ca1\u6709\u51c6\u5907\u597d\u7684\u7a0b\u5e8f\u4f1a\u76f4\u63a5\u5d29\u6e83\u3002\u6211\u4eec\u9700\u8981\u4e24\u6837\u4e1c\u897f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6587\u4ef6\u64cd\u4f5c<\/strong>\uff1a\u8bfb\u5199\u6301\u4e45\u5316\u6570\u636e<\/li>\n\n\n\n<li><strong>\u5f02\u5e38\u5904\u7406<\/strong>\uff1a\u4f18\u96c5\u5730\u5e94\u5bf9\u610f\u5916<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u5341\u516b\u8bfe\uff1a\u6587\u4ef6\u64cd\u4f5c\u57fa\u7840\u2014\u2014\u8bfb\u548c\u5199<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e00\u6b65\uff1a\u7406\u89e3\u6587\u4ef6\u2014\u2014\u7535\u8111\u91cc\u7684\u7b14\u8bb0\u672c<\/strong><\/h3>\n\n\n\n<p>\u4e00\u4e2a\u6587\u4ef6\u5c31\u50cf\u4e00\u672c\u7b14\u8bb0\u672c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ef\u4ee5<strong>\u5199<\/strong>\uff08\u8bb0\u5f55\u4fe1\u606f\uff09<\/li>\n\n\n\n<li>\u53ef\u4ee5<strong>\u8bfb<\/strong>\uff08\u67e5\u770b\u4fe1\u606f\uff09<\/li>\n\n\n\n<li>\u53ef\u4ee5<strong>\u8ffd\u52a0<\/strong>\uff08\u5728\u672b\u5c3e\u6dfb\u52a0\u65b0\u4fe1\u606f\uff09<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u6b65\uff1aPython\u7684\u6587\u4ef6\u64cd\u4f5c\u4e09\u90e8\u66f2<\/strong><\/h3>\n\n\n\n<p><strong>\u57fa\u672c\u6a21\u5f0f<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># 1. \u6253\u5f00\u7b14\u8bb0\u672c\uff08\u6307\u5b9a\u8981\u64cd\u4f5c\u54ea\u672c\u7b14\u8bb0\u672c\uff0c\u4ee5\u53ca\u600e\u4e48\u64cd\u4f5c\uff09\nfile = open(\"notes.txt\", \"w\", encoding=\"utf-8\")\n\n# 2. \u64cd\u4f5c\u7b14\u8bb0\u672c\nfile.write(\"\u4eca\u5929\u5b66\u4e60\u7f16\u7a0b\\n\")\nfile.write(\"\u5b66\u4f1a\u4e86\u53d8\u91cf\u548c\u51fd\u6570\\n\")\n\n# 3. \u5408\u4e0a\u7b14\u8bb0\u672c\uff08\u975e\u5e38\u91cd\u8981\uff01\u4e0d\u7136\u4f1a\u4e22\u5931\u5185\u5bb9\uff09\nfile.close()<\/code><\/pre>\n\n\n\n<p><strong>\u6587\u4ef6\u6a21\u5f0f\u8bf4\u660e<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>\"r\"<\/code>\uff1a\u53ea\u8bfb\uff08Read\uff09\u2014\u2014\u53ea\u80fd\u770b\uff0c\u4e0d\u80fd\u6539<\/li>\n\n\n\n<li><code>\"w\"<\/code>\uff1a\u5199\u5165\uff08Write\uff09\u2014\u2014\u4ece\u5934\u5f00\u59cb\u5199\uff0c\u4f1a\u8986\u76d6\u539f\u6765\u7684\u5185\u5bb9<\/li>\n\n\n\n<li><code>\"a\"<\/code>\uff1a\u8ffd\u52a0\uff08Append\uff09\u2014\u2014\u5728\u672b\u5c3e\u6dfb\u52a0\uff0c\u4e0d\u8986\u76d6<\/li>\n\n\n\n<li><code>\"r+\"<\/code>\uff1a\u8bfb\u5199\uff08Read+Write\uff09\u2014\u2014\u65e2\u80fd\u770b\u53c8\u80fd\u6539<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e09\u6b65\uff1a\u5b89\u5168\u5730\u64cd\u4f5c\u6587\u4ef6\u2014\u2014\u4f7f\u7528with\u8bed\u53e5<\/strong><\/h3>\n\n\n\n<p>\u624b\u52a8\u5173\u6587\u4ef6\u5f88\u9ebb\u70e6\uff0c\u800c\u4e14\u5bb9\u6613\u5fd8\u8bb0\u3002Python\u63d0\u4f9b\u4e86\u66f4\u5b89\u5168\u7684\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u4f7f\u7528with\u8bed\u53e5\uff0c\u6587\u4ef6\u4f1a\u81ea\u52a8\u5173\u95ed\nwith open(\"notes.txt\", \"w\", encoding=\"utf-8\") as file:\n    file.write(\"\u7b2c\u4e00\u884c\u5185\u5bb9\\n\")\n    file.write(\"\u7b2c\u4e8c\u884c\u5185\u5bb9\\n\")\n# \u79bb\u5f00with\u4ee3\u7801\u5757\u540e\uff0c\u6587\u4ef6\u81ea\u52a8\u5173\u95ed<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u56db\u6b65\uff1a\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># \u8bfb\u53d6\u6574\u4e2a\u6587\u4ef6\nwith open(\"notes.txt\", \"r\", encoding=\"utf-8\") as file:\n    content = file.read()\n    print(\"\u6574\u4e2a\u6587\u4ef6\u5185\u5bb9\uff1a\")\n    print(content)\n\n# \u9010\u884c\u8bfb\u53d6\uff08\u66f4\u5e38\u7528\uff09\nwith open(\"notes.txt\", \"r\", encoding=\"utf-8\") as file:\n    print(\"\u9010\u884c\u8bfb\u53d6\uff1a\")\n    for line in file:\n        print(f\"\u884c\u5185\u5bb9\uff1a{line.strip()}\")  # strip()\u53bb\u6389\u6362\u884c\u7b26<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e94\u6b65\uff1a\u5b9e\u9645\u5e94\u7528\u2014\u2014\u5b66\u751f\u6570\u636e\u4fdd\u5b58<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># \u4fdd\u5b58\u5b66\u751f\u6570\u636e\u5230\u6587\u4ef6\nstudents = &#91;\n    {\"name\": \"\u5f20\u4e09\", \"score\": 95},\n    {\"name\": \"\u674e\u56db\", \"score\": 88},\n    {\"name\": \"\u738b\u4e94\", \"score\": 92}\n]\n\n# \u5199\u5165\u6587\u4ef6\nwith open(\"students.txt\", \"w\", encoding=\"utf-8\") as file:\n    for student in students:\n        # \u628a\u6bcf\u4e2a\u5b66\u751f\u5199\u6210\u4e00\u884c\uff1a\u59d3\u540d,\u6210\u7ee9\n        line = f\"{student&#91;'name']},{student&#91;'score']}\\n\"\n        file.write(line)\n\n# \u4ece\u6587\u4ef6\u8bfb\u53d6\nwith open(\"students.txt\", \"r\", encoding=\"utf-8\") as file:\n    loaded_students = &#91;]\n    for line in file:\n        if line.strip():  # \u8df3\u8fc7\u7a7a\u884c\n            name, score = line.strip().split(\",\")\n            loaded_students.append({\n                \"name\": name,\n                \"score\": int(score)  # \u8f6c\u6362\u4e3a\u6574\u6570\n            })\n\n    print(\"\u4ece\u6587\u4ef6\u52a0\u8f7d\u7684\u5b66\u751f\uff1a\")\n    for student in loaded_students:\n        print(f\"{student&#91;'name']}: {student&#91;'score']}\")<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u5341\u4e5d\u8bfe\uff1a\u5f02\u5e38\u5904\u7406\u2014\u2014\u5f53\u610f\u5916\u53d1\u751f\u65f6<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e00\u6b65\uff1a\u4ec0\u4e48\u662f\u5f02\u5e38\uff1f<\/strong><\/h3>\n\n\n\n<p>\u5f02\u5e38\u5c31\u662f\u7a0b\u5e8f\u8fd0\u884c\u65f6\u53d1\u751f\u7684\u610f\u5916\u60c5\u51b5\uff0c\u6bd4\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9664\u4ee5\u96f6\uff1a<code>10 \/ 0<\/code><\/li>\n\n\n\n<li>\u6587\u4ef6\u4e0d\u5b58\u5728\uff1a<code>open(\"\u4e0d\u5b58\u5728\u7684\u6587\u4ef6.txt\")<\/code><\/li>\n\n\n\n<li>\u5217\u8868\u7d22\u5f15\u8d8a\u754c\uff1a<code>list[10]<\/code>\uff08\u5217\u8868\u53ea\u67093\u4e2a\u5143\u7d20\uff09<\/li>\n\n\n\n<li>\u7c7b\u578b\u9519\u8bef\uff1a<code>\"abc\" + 123<\/code>\uff08\u5b57\u7b26\u4e32\u4e0d\u80fd\u52a0\u6570\u5b57\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u6ca1\u6709\u5f02\u5e38\u5904\u7406\uff0c\u7a0b\u5e8f\u9047\u5230\u5f02\u5e38\u4f1a\u76f4\u63a5\u5d29\u6e83\uff0c\u663e\u793a\u7ea2\u8272\u9519\u8bef\u4fe1\u606f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e8c\u6b65\uff1aPython\u7684\u5f02\u5e38\u5904\u7406\u2014\u2014try-except<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># \u6ca1\u6709\u5f02\u5e38\u5904\u7406\uff08\u4f1a\u5d29\u6e83\uff09\nnumber = int(input(\"\u8bf7\u8f93\u5165\u6570\u5b57\uff1a\"))  # \u5982\u679c\u8f93\u5165\"abc\"\uff0c\u7a0b\u5e8f\u5d29\u6e83\n\n# \u6709\u5f02\u5e38\u5904\u7406\uff08\u4f18\u96c5\u5904\u7406\uff09\ntry:\n    number = int(input(\"\u8bf7\u8f93\u5165\u6570\u5b57\uff1a\"))\n    print(f\"\u4f60\u8f93\u5165\u7684\u6570\u5b57\u662f\uff1a{number}\")\nexcept ValueError:  # \u4e13\u95e8\u5904\u7406\u503c\u9519\u8bef\n    print(\"\u9519\u8bef\uff1a\u8bf7\u8f93\u5165\u6709\u6548\u7684\u6570\u5b57\uff01\")<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e09\u6b65\uff1a\u5904\u7406\u591a\u79cd\u5f02\u5e38<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>try:\n    # \u53ef\u80fd\u51fa\u9519\u7684\u64cd\u4f5c1\n    num1 = int(input(\"\u8bf7\u8f93\u5165\u88ab\u9664\u6570\uff1a\"))\n    # \u53ef\u80fd\u51fa\u9519\u7684\u64cd\u4f5c2\n    num2 = int(input(\"\u8bf7\u8f93\u5165\u9664\u6570\uff1a\"))\n    # \u53ef\u80fd\u51fa\u9519\u7684\u64cd\u4f5c3\n    result = num1 \/ num2\n\n    print(f\"\u7ed3\u679c\u662f\uff1a{result}\")\n\nexcept ValueError:\n    print(\"\u9519\u8bef\uff1a\u8bf7\u8f93\u5165\u6709\u6548\u7684\u6570\u5b57\uff01\")\nexcept ZeroDivisionError:\n    print(\"\u9519\u8bef\uff1a\u9664\u6570\u4e0d\u80fd\u4e3a\u96f6\uff01\")\nexcept Exception as e:  # \u6355\u83b7\u6240\u6709\u5176\u4ed6\u5f02\u5e38\n    print(f\"\u53d1\u751f\u4e86\u672a\u77e5\u9519\u8bef\uff1a{type(e).__name__} - {e}\")<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u56db\u6b65\uff1a\u5b8c\u6574\u7684\u5f02\u5e38\u5904\u7406\u7ed3\u6784<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>try:\n    # \u5c1d\u8bd5\u6267\u884c\u8fd9\u4e9b\u4ee3\u7801\n    file = open(\"data.txt\", \"r\")\n    content = file.read()\n    number = int(content)\n\nexcept FileNotFoundError:\n    print(\"\u6587\u4ef6\u4e0d\u5b58\u5728\uff01\")\nexcept ValueError:\n    print(\"\u6587\u4ef6\u5185\u5bb9\u4e0d\u662f\u6709\u6548\u6570\u5b57\uff01\")\nelse:\n    # \u5982\u679c\u6ca1\u6709\u53d1\u751f\u5f02\u5e38\uff0c\u6267\u884c\u8fd9\u91cc\n    print(f\"\u6210\u529f\u8bfb\u53d6\u6570\u5b57\uff1a{number}\")\nfinally:\n    # \u65e0\u8bba\u662f\u5426\u53d1\u751f\u5f02\u5e38\uff0c\u90fd\u4f1a\u6267\u884c\u8fd9\u91cc\n    print(\"\u6e05\u7406\u5de5\u4f5c...\")\n    # \u901a\u5e38\u5728\u8fd9\u91cc\u5173\u95ed\u6587\u4ef6\u3001\u91ca\u653e\u8d44\u6e90\u7b49<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7b2c\u4e94\u6b65\uff1a\u629b\u51fa\u5f02\u5e38\u2014\u2014\u4e3b\u52a8\u62a5\u544a\u9519\u8bef<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>def check_age(age):\n    \"\"\"\u68c0\u67e5\u5e74\u9f84\u662f\u5426\u5408\u6cd5\"\"\"\n    if age &lt; 0:\n        raise ValueError(\"\u5e74\u9f84\u4e0d\u80fd\u4e3a\u8d1f\u6570\uff01\")  # \u4e3b\u52a8\u629b\u51fa\u5f02\u5e38\n    if age &gt; 150:\n        raise ValueError(\"\u5e74\u9f84\u4e0d\u80fd\u8d85\u8fc7150\u5c81\uff01\")\n    return True\n\n# \u4f7f\u7528\ntry:\n    check_age(-5)\nexcept ValueError as e:\n    print(f\"\u5e74\u9f84\u68c0\u67e5\u5931\u8d25\uff1a{e}\")<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u4e09\u5341\u8bfe\uff1a\u4e0d\u540c\u8bed\u8a00\u7684\u6587\u4ef6\u64cd\u4f5c\u5bf9\u6bd4<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Python\uff08\u6700\u7b80\u5355\u76f4\u89c2\uff09<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># \u5199\u6587\u4ef6\nwith open(\"data.txt\", \"w\", encoding=\"utf-8\") as f:\n    f.write(\"Hello, \u4e16\u754c!\")\n\n# \u8bfb\u6587\u4ef6\nwith open(\"data.txt\", \"r\", encoding=\"utf-8\") as f:\n    content = f.read()\n    print(content)<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Java\uff08\u9700\u8981\u66f4\u591a\u4ee3\u7801\uff09<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.io.*;\n\npublic class FileExample {\n    public static void main(String&#91;] args) {\n        \/\/ \u5199\u6587\u4ef6\n        try {\n            FileWriter writer = new FileWriter(\"data.txt\");\n            writer.write(\"Hello, \u4e16\u754c!\");\n            writer.close();  \/\/ \u5fc5\u987b\u624b\u52a8\u5173\u95ed\n        } catch (IOException e) {\n            System.out.println(\"\u5199\u6587\u4ef6\u51fa\u9519: \" + e.getMessage());\n        }\n\n        \/\/ \u8bfb\u6587\u4ef6\n        try {\n            FileReader reader = new FileReader(\"data.txt\");\n            BufferedReader br = new BufferedReader(reader);\n            String line = br.readLine();\n            System.out.println(line);\n            br.close();\n        } catch (IOException e) {\n            System.out.println(\"\u8bfb\u6587\u4ef6\u51fa\u9519: \" + e.getMessage());\n        }\n    }\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C\u8bed\u8a00\uff08\u6700\u5e95\u5c42\uff0c\u6700\u9ebb\u70e6\uff09<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n\nint main() {\n    \/\/ \u5199\u6587\u4ef6\n    FILE *file = fopen(\"data.txt\", \"w\");\n    if (file == NULL) {\n        printf(\"\u65e0\u6cd5\u6253\u5f00\u6587\u4ef6\uff01\\n\");\n        return 1;\n    }\n    fprintf(file, \"Hello, World!\");\n    fclose(file);  \/\/ \u5fc5\u987b\u624b\u52a8\u5173\u95ed\n\n    \/\/ \u8bfb\u6587\u4ef6\n    file = fopen(\"data.txt\", \"r\");\n    if (file == NULL) {\n        printf(\"\u65e0\u6cd5\u6253\u5f00\u6587\u4ef6\uff01\\n\");\n        return 1;\n    }\n\n    char buffer&#91;100];\n    fgets(buffer, 100, file);\n    printf(\"%s\", buffer);\n    fclose(file);\n\n    return 0;\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>JavaScript\uff08Node.js\u73af\u5883\uff09<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>const fs = require('fs');\n\n\/\/ \u5199\u6587\u4ef6\nfs.writeFile('data.txt', 'Hello, World!', 'utf8', (err) =&gt; {\n    if (err) {\n        console.error('\u5199\u6587\u4ef6\u51fa\u9519:', err);\n        return;\n    }\n    console.log('\u6587\u4ef6\u5199\u5165\u6210\u529f');\n});\n\n\/\/ \u8bfb\u6587\u4ef6\uff08\u540c\u6b65\u65b9\u5f0f\uff0c\u7b80\u5355\u793a\u4f8b\uff09\ntry {\n    const content = fs.readFileSync('data.txt', 'utf8');\n    console.log(content);\n} catch (err) {\n    console.error('\u8bfb\u6587\u4ef6\u51fa\u9519:', err);\n}<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u4e09\u5341\u4e00\u8bfe\uff1a\u4e0d\u540c\u8bed\u8a00\u7684\u5f02\u5e38\u5904\u7406\u5bf9\u6bd4<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Python<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>try:\n    result = 10 \/ 0\nexcept ZeroDivisionError:\n    print(\"\u4e0d\u80fd\u9664\u4ee5\u96f6\uff01\")\nexcept Exception as e:\n    print(f\"\u5176\u4ed6\u9519\u8bef\uff1a{e}\")\nfinally:\n    print(\"\u65e0\u8bba\u5982\u4f55\u90fd\u4f1a\u6267\u884c\")<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Java<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>try {\n    int result = 10 \/ 0;\n} catch (ArithmeticException e) {\n    System.out.println(\"\u4e0d\u80fd\u9664\u4ee5\u96f6: \" + e.getMessage());\n} catch (Exception e) {\n    System.out.println(\"\u5176\u4ed6\u9519\u8bef: \" + e.getMessage());\n} finally {\n    System.out.println(\"\u65e0\u8bba\u5982\u4f55\u90fd\u4f1a\u6267\u884c\");\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>C\u8bed\u8a00\uff08\u6ca1\u6709\u771f\u6b63\u7684\u5f02\u5e38\u5904\u7406\uff09<\/strong><\/h3>\n\n\n\n<p>C\u8bed\u8a00\u6ca1\u6709\u5185\u5efa\u7684\u5f02\u5e38\u5904\u7406\uff0c\u901a\u5e38\u901a\u8fc7\u8fd4\u56de\u503c\u5224\u65ad\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n\nint divide(int a, int b, int *result) {\n    if (b == 0) {\n        return -1;  \/\/ \u8fd4\u56de\u9519\u8bef\u7801\n    }\n    *result = a \/ b;\n    return 0;  \/\/ \u8fd4\u56de0\u8868\u793a\u6210\u529f\n}\n\nint main() {\n    int result;\n    if (divide(10, 0, &amp;result) == 0) {\n        printf(\"\u7ed3\u679c\u662f: %d\\n\", result);\n    } else {\n        printf(\"\u9519\u8bef\uff1a\u9664\u6570\u4e0d\u80fd\u4e3a\u96f6\uff01\\n\");\n    }\n    return 0;\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>JavaScript<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>try {\n    let result = 10 \/ 0;\n    if (!isFinite(result)) {\n        throw new Error(\"\u9664\u4ee5\u96f6\u4e86\uff01\");\n    }\n    console.log(\"\u7ed3\u679c\u662f:\", result);\n} catch (error) {\n    console.log(\"\u6355\u83b7\u5230\u9519\u8bef:\", error.message);\n} finally {\n    console.log(\"\u65e0\u8bba\u5982\u4f55\u90fd\u4f1a\u6267\u884c\");\n}<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u4e09\u5341\u4e8c\u8bfe\uff1a\u5b9e\u6218\u9879\u76ee\u2014\u2014\u5b66\u751f\u7ba1\u7406\u7cfb\u7edf\uff08\u6587\u4ef6\u6301\u4e45\u5316\u7248\uff09<\/strong><\/h2>\n\n\n\n<p>\u8ba9\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u5b8c\u6574\u7684\u5b66\u751f\u7ba1\u7406\u7cfb\u7edf\uff0c\u652f\u6301\u6570\u636e\u4fdd\u5b58\u5230\u6587\u4ef6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import json  # \u4f7f\u7528JSON\u683c\u5f0f\u4fdd\u5b58\u590d\u6742\u6570\u636e\n\nclass StudentManager:\n    def __init__(self, filename=\"students.json\"):\n        self.filename = filename\n        self.students = self.load_students()\n\n    def load_students(self):\n        \"\"\"\u4ece\u6587\u4ef6\u52a0\u8f7d\u5b66\u751f\u6570\u636e\"\"\"\n        try:\n            with open(self.filename, \"r\", encoding=\"utf-8\") as file:\n                return json.load(file)  # \u4eceJSON\u683c\u5f0f\u8bfb\u53d6\n        except FileNotFoundError:\n            print(\"\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u521b\u5efa\u65b0\u7684\u7a7a\u5217\u8868\")\n            return &#91;]\n        except json.JSONDecodeError:\n            print(\"\u6587\u4ef6\u683c\u5f0f\u9519\u8bef\uff0c\u521b\u5efa\u65b0\u7684\u7a7a\u5217\u8868\")\n            return &#91;]\n        except Exception as e:\n            print(f\"\u52a0\u8f7d\u6570\u636e\u65f6\u51fa\u9519\uff1a{e}\")\n            return &#91;]\n\n    def save_students(self):\n        \"\"\"\u4fdd\u5b58\u5b66\u751f\u6570\u636e\u5230\u6587\u4ef6\"\"\"\n        try:\n            with open(self.filename, \"w\", encoding=\"utf-8\") as file:\n                json.dump(self.students, file, \n                         ensure_ascii=False,  # \u4fdd\u8bc1\u4e2d\u6587\u6b63\u5e38\u663e\u793a\n                         indent=2)  # \u7f29\u8fdb\uff0c\u8ba9\u6587\u4ef6\u66f4\u6613\u8bfb\n            print(\"\u6570\u636e\u4fdd\u5b58\u6210\u529f\uff01\")\n        except Exception as e:\n            print(f\"\u4fdd\u5b58\u6570\u636e\u65f6\u51fa\u9519\uff1a{e}\")\n\n    def add_student(self):\n        \"\"\"\u6dfb\u52a0\u5b66\u751f\"\"\"\n        try:\n            name = input(\"\u8bf7\u8f93\u5165\u5b66\u751f\u59d3\u540d\uff1a\")\n            age = int(input(\"\u8bf7\u8f93\u5165\u5b66\u751f\u5e74\u9f84\uff1a\"))\n            score = float(input(\"\u8bf7\u8f93\u5165\u5b66\u751f\u6210\u7ee9\uff1a\"))\n\n            student = {\n                \"name\": name,\n                \"age\": age,\n                \"score\": score\n            }\n\n            self.students.append(student)\n            self.save_students()\n            print(f\"\u6dfb\u52a0\u5b66\u751f {name} \u6210\u529f\uff01\")\n\n        except ValueError:\n            print(\"\u8f93\u5165\u9519\u8bef\uff1a\u5e74\u9f84\u5fc5\u987b\u662f\u6574\u6570\uff0c\u6210\u7ee9\u5fc5\u987b\u662f\u6570\u5b57\")\n        except Exception as e:\n            print(f\"\u6dfb\u52a0\u5b66\u751f\u65f6\u51fa\u9519\uff1a{e}\")\n\n    def list_students(self):\n        \"\"\"\u663e\u793a\u6240\u6709\u5b66\u751f\"\"\"\n        if not self.students:\n            print(\"\u6682\u65e0\u5b66\u751f\u4fe1\u606f\")\n            return\n\n        print(\"\\n\" + \"=\"*40)\n        print(\"\u5b66\u751f\u5217\u8868\uff1a\")\n        print(\"=\"*40)\n\n        for i, student in enumerate(self.students, 1):\n            print(f\"{i:2d}. \u59d3\u540d\uff1a{student&#91;'name']:8s} \"\n                  f\"\u5e74\u9f84\uff1a{student&#91;'age']:3d} \"\n                  f\"\u6210\u7ee9\uff1a{student&#91;'score']:5.1f}\")\n        print(\"=\"*40)\n\n    def run(self):\n        \"\"\"\u8fd0\u884c\u7ba1\u7406\u7cfb\u7edf\"\"\"\n        while True:\n            print(\"\\n=== \u5b66\u751f\u6210\u7ee9\u7ba1\u7406\u7cfb\u7edf ===\")\n            print(\"1. \u6dfb\u52a0\u5b66\u751f\")\n            print(\"2. \u67e5\u770b\u5b66\u751f\")\n            print(\"3. \u5220\u9664\u5b66\u751f\")\n            print(\"4. \u4fdd\u5b58\u5e76\u9000\u51fa\")\n\n            try:\n                choice = input(\"\u8bf7\u9009\u62e9\u64cd\u4f5c (1-4): \")\n\n                if choice == \"1\":\n                    self.add_student()\n                elif choice == \"2\":\n                    self.list_students()\n                elif choice == \"3\":\n                    self.delete_student()\n                elif choice == \"4\":\n                    self.save_students()\n                    print(\"\u8c22\u8c22\u4f7f\u7528\uff0c\u518d\u89c1\uff01\")\n                    break\n                else:\n                    print(\"\u65e0\u6548\u9009\u62e9\uff0c\u8bf7\u8f93\u51651-4\u4e4b\u95f4\u7684\u6570\u5b57\")\n\n            except KeyboardInterrupt:\n                print(\"\\n\u7a0b\u5e8f\u88ab\u4e2d\u65ad\uff0c\u6b63\u5728\u4fdd\u5b58\u6570\u636e...\")\n                self.save_students()\n                break\n            except Exception as e:\n                print(f\"\u53d1\u751f\u9519\u8bef\uff1a{e}\")\n\n    def delete_student(self):\n        \"\"\"\u5220\u9664\u5b66\u751f\"\"\"\n        self.list_students()\n\n        try:\n            index = int(input(\"\u8bf7\u8f93\u5165\u8981\u5220\u9664\u7684\u5b66\u751f\u7f16\u53f7\uff1a\")) - 1\n\n            if 0 &lt;= index &lt; len(self.students):\n                student = self.students.pop(index)\n                print(f\"\u5df2\u5220\u9664\u5b66\u751f\uff1a{student&#91;'name']}\")\n                self.save_students()\n            else:\n                print(\"\u65e0\u6548\u7684\u5b66\u751f\u7f16\u53f7\")\n        except ValueError:\n            print(\"\u8bf7\u8f93\u5165\u6709\u6548\u7684\u6570\u5b57\")\n        except Exception as e:\n            print(f\"\u5220\u9664\u5b66\u751f\u65f6\u51fa\u9519\uff1a{e}\")\n\n# \u542f\u52a8\u7cfb\u7edf\nif __name__ == \"__main__\":\n    manager = StudentManager()\n    manager.run()<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u4e09\u5341\u4e09\u8bfe\uff1a\u6700\u4f73\u5b9e\u8df5\u548c\u5e38\u89c1\u9519\u8bef<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. \u6587\u4ef6\u64cd\u4f5c\u6700\u4f73\u5b9e\u8df5<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>import os\n\ndef safe_file_operation(filename):\n    \"\"\"\u5b89\u5168\u7684\u6587\u4ef6\u64cd\u4f5c\u793a\u4f8b\"\"\"\n    # \u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5b58\u5728\n    if not os.path.exists(filename):\n        print(f\"\u6587\u4ef6 {filename} \u4e0d\u5b58\u5728\")\n        return None\n\n    try:\n        # \u68c0\u67e5\u6587\u4ef6\u5927\u5c0f\uff08\u907f\u514d\u8bfb\u53d6\u8d85\u5927\u6587\u4ef6\uff09\n        file_size = os.path.getsize(filename)\n        if file_size &gt; 10 * 1024 * 1024:  # \u5927\u4e8e10MB\n            print(f\"\u6587\u4ef6\u592a\u5927 ({file_size} bytes)\uff0c\u53ef\u80fd\u5f71\u54cd\u6027\u80fd\")\n            return None\n\n        # \u4f7f\u7528with\u8bed\u53e5\u786e\u4fdd\u6587\u4ef6\u5173\u95ed\n        with open(filename, \"r\", encoding=\"utf-8\") as file:\n            return file.read()\n\n    except PermissionError:\n        print(f\"\u6ca1\u6709\u6743\u9650\u8bfb\u53d6\u6587\u4ef6 {filename}\")\n    except UnicodeDecodeError:\n        print(f\"\u6587\u4ef6\u7f16\u7801\u9519\u8bef\uff0c\u8bf7\u68c0\u67e5\u6587\u4ef6\u683c\u5f0f\")\n    except Exception as e:\n        print(f\"\u8bfb\u53d6\u6587\u4ef6\u65f6\u51fa\u9519\uff1a{e}\")\n\n    return None<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. \u5f02\u5e38\u5904\u7406\u6700\u4f73\u5b9e\u8df5<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>def get_user_input():\n    \"\"\"\u83b7\u53d6\u7528\u6237\u8f93\u5165\u7684\u6700\u4f73\u5b9e\u8df5\"\"\"\n    while True:\n        try:\n            age = int(input(\"\u8bf7\u8f93\u5165\u5e74\u9f84\uff080-120\uff09\uff1a\"))\n            if 0 &lt;= age &lt;= 120:\n                return age\n            else:\n                print(\"\u5e74\u9f84\u5fc5\u987b\u57280-120\u4e4b\u95f4\")\n        except ValueError:\n            print(\"\u8bf7\u8f93\u5165\u6709\u6548\u7684\u6570\u5b57\")\n        except KeyboardInterrupt:\n            print(\"\\n\u7528\u6237\u53d6\u6d88\u8f93\u5165\")\n            return None\n        except Exception as e:\n            print(f\"\u53d1\u751f\u672a\u77e5\u9519\u8bef\uff1a{e}\")\n            # \u53ef\u4ee5\u8bb0\u5f55\u65e5\u5fd7\uff0c\u4f46\u4e0d\u76f4\u63a5\u663e\u793a\u7ed9\u7528\u6237\n            # logger.error(f\"\u83b7\u53d6\u7528\u6237\u8f93\u5165\u65f6\u51fa\u9519: {e}\")\n            return None<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. \u907f\u514d\u7684\u5e38\u89c1\u9519\u8bef<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># \u9519\u8bef1\uff1a\u5fd8\u8bb0\u5173\u95ed\u6587\u4ef6\nfile = open(\"data.txt\", \"w\")\nfile.write(\"\u4e00\u4e9b\u5185\u5bb9\")\n# \u5fd8\u8bb0 file.close()  # \u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e22\u5931\n\n# \u9519\u8bef2\uff1a\u6355\u83b7\u6240\u6709\u5f02\u5e38\u4f46\u4e0d\u5904\u7406\ntry:\n    # \u5f88\u591a\u4ee3\u7801\n    pass\nexcept:\n    pass  # \u9759\u9ed8\u5931\u8d25\uff0c\u4e0d\u77e5\u9053\u53d1\u751f\u4e86\u4ec0\u4e48\n\n# \u9519\u8bef3\uff1a\u5728\u5faa\u73af\u4e2d\u91cd\u590d\u6253\u5f00\u5173\u95ed\u6587\u4ef6\nfor i in range(100):\n    with open(\"data.txt\", \"a\") as f:  # \u6bcf\u6b21\u5faa\u73af\u90fd\u6253\u5f00\u5173\u95ed\n        f.write(f\"\u884c {i}\\n\")  # \u5e94\u8be5\u4e00\u6b21\u6027\u6253\u5f00\uff0c\u5199\u5165\u6240\u6709\u5185\u5bb9\n\n# \u66f4\u597d\u7684\u65b9\u5f0f\nwith open(\"data.txt\", \"w\") as f:\n    for i in range(100):\n        f.write(f\"\u884c {i}\\n\")<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u7b2c\u4e09\u5341\u56db\u8bfe\uff1a\u601d\u7ef4\u4f53\u64cd<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7ec3\u4e601\uff1a\u5907\u4efd\u6587\u4ef6<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>def backup_file(source_path, backup_dir=\"backups\"):\n    \"\"\"\u5907\u4efd\u6587\u4ef6\u5230\u6307\u5b9a\u76ee\u5f55\"\"\"\n    import os\n    import shutil\n    from datetime import datetime\n\n    try:\n        # \u68c0\u67e5\u6e90\u6587\u4ef6\u662f\u5426\u5b58\u5728\n        if not os.path.exists(source_path):\n            raise FileNotFoundError(f\"\u6e90\u6587\u4ef6 {source_path} \u4e0d\u5b58\u5728\")\n\n        # \u521b\u5efa\u5907\u4efd\u76ee\u5f55\uff08\u5982\u679c\u4e0d\u5b58\u5728\uff09\n        if not os.path.exists(backup_dir):\n            os.makedirs(backup_dir)\n\n        # \u751f\u6210\u5907\u4efd\u6587\u4ef6\u540d\uff08\u5305\u542b\u65f6\u95f4\u6233\uff09\n        timestamp = datetime.now().strftime(\"%Y%m%d_%H%M%S\")\n        filename = os.path.basename(source_path)\n        backup_name = f\"{filename}.backup_{timestamp}\"\n        backup_path = os.path.join(backup_dir, backup_name)\n\n        # \u590d\u5236\u6587\u4ef6\n        shutil.copy2(source_path, backup_path)\n        print(f\"\u5907\u4efd\u6210\u529f\uff1a{source_path} -&gt; {backup_path}\")\n        return True\n\n    except PermissionError:\n        print(\"\u9519\u8bef\uff1a\u6ca1\u6709\u6587\u4ef6\u64cd\u4f5c\u6743\u9650\")\n    except Exception as e:\n        print(f\"\u5907\u4efd\u5931\u8d25\uff1a{e}\")\n\n    return False<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u7ec3\u4e602\uff1a\u914d\u7f6e\u6587\u4ef6\u8bfb\u53d6\u5668<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>def read_config(config_file=\"config.txt\"):\n    \"\"\"\u8bfb\u53d6\u914d\u7f6e\u6587\u4ef6\"\"\"\n    config = {}\n\n    try:\n        with open(config_file, \"r\", encoding=\"utf-8\") as file:\n            for line_num, line in enumerate(file, 1):\n                line = line.strip()\n\n                # \u8df3\u8fc7\u7a7a\u884c\u548c\u6ce8\u91ca\n                if not line or line.startswith(\"#\"):\n                    continue\n\n                # \u89e3\u6790\u952e\u503c\u5bf9\n                if \"=\" in line:\n                    key, value = line.split(\"=\", 1)\n                    key = key.strip()\n                    value = value.strip()\n\n                    config&#91;key] = value\n                else:\n                    print(f\"\u8b66\u544a\uff1a\u7b2c{line_num}\u884c\u683c\u5f0f\u9519\u8bef\uff1a{line}\")\n\n    except FileNotFoundError:\n        print(f\"\u914d\u7f6e\u6587\u4ef6 {config_file} \u4e0d\u5b58\u5728\uff0c\u4f7f\u7528\u9ed8\u8ba4\u914d\u7f6e\")\n    except Exception as e:\n        print(f\"\u8bfb\u53d6\u914d\u7f6e\u6587\u4ef6\u65f6\u51fa\u9519\uff1a{e}\")\n\n    return config\n\n# \u4f7f\u7528\u793a\u4f8b\nconfig = read_config()\nprint(f\"\u670d\u52a1\u5668\u5730\u5740\uff1a{config.get('server', 'localhost')}\")\nprint(f\"\u7aef\u53e3\uff1a{config.get('port', '8080')}\")<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u6559\u5b66\u603b\u7ed3\uff1a\u6587\u4ef6\u64cd\u4f5c\u548c\u5f02\u5e38\u5904\u7406\u7684\u6838\u5fc3<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6587\u4ef6\u64cd\u4f5c\u4e09\u6b65\u9aa4<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6253\u5f00\u6587\u4ef6\uff1a\u6307\u5b9a\u6587\u4ef6\u540d\u548c\u6a21\u5f0f<\/li>\n\n\n\n<li>\u64cd\u4f5c\u6587\u4ef6\uff1a\u8bfb\u5199\u5185\u5bb9<\/li>\n\n\n\n<li>\u5173\u95ed\u6587\u4ef6\uff1a\u786e\u4fdd\u6570\u636e\u4fdd\u5b58<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5f02\u5e38\u5904\u7406\u56db\u90e8\u5206<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>try<\/code>\uff1a\u5c1d\u8bd5\u6267\u884c\u7684\u4ee3\u7801<\/li>\n\n\n\n<li><code>except<\/code>\uff1a\u6355\u83b7\u548c\u5904\u7406\u5f02\u5e38<\/li>\n\n\n\n<li><code>else<\/code>\uff1a\u6ca1\u6709\u5f02\u5e38\u65f6\u6267\u884c<\/li>\n\n\n\n<li><code>finally<\/code>\uff1a\u65e0\u8bba\u662f\u5426\u5f02\u5e38\u90fd\u6267\u884c<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u91cd\u8981\u539f\u5219<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u603b\u662f\u4f7f\u7528with\u8bed\u53e5\u64cd\u4f5c\u6587\u4ef6<\/li>\n\n\n\n<li>\u4e0d\u8981\u6355\u83b7\u6240\u6709\u5f02\u5e38\u800c\u4e0d\u5904\u7406<\/li>\n\n\n\n<li>\u7ed9\u7528\u6237\u53cb\u597d\u7684\u9519\u8bef\u63d0\u793a<\/li>\n\n\n\n<li>\u8bb0\u5f55\u91cd\u8981\u7684\u5f02\u5e38\u4fe1\u606f<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8de8\u8bed\u8a00\u5dee\u5f02<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Python\uff1a\u5f02\u5e38\u5904\u7406\u6700\u5b8c\u5584\uff0c\u6587\u4ef6\u64cd\u4f5c\u6700\u7b80\u5355<\/li>\n\n\n\n<li>Java\uff1a\u5f3a\u5236\u5f02\u5e38\u5904\u7406\uff0c\u4ee3\u7801\u8f83\u7e41\u7410<\/li>\n\n\n\n<li>C\uff1a\u6ca1\u6709\u771f\u6b63\u7684\u5f02\u5e38\u5904\u7406\uff0c\u9700\u8981\u624b\u52a8\u68c0\u67e5<\/li>\n\n\n\n<li>JavaScript\uff1a\u5f02\u6b65\u64cd\u4f5c\u9700\u8981\u7279\u6b8a\u5904\u7406<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u4f60\u5df2\u7ecf\u638c\u63e1\u4e86\u7f16\u7a0b\u7684\u6838\u5fc3\u57fa\u7840\uff01<\/strong> \u73b0\u5728\u4f60\u53ef\u4ee5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7528\u53d8\u91cf\u5b58\u50a8\u6570\u636e<\/li>\n\n\n\n<li>\u7528\u63a7\u5236\u6d41\u505a\u51b3\u7b56\u548c\u5faa\u73af<\/li>\n\n\n\n<li>\u7528\u51fd\u6570\u7ec4\u7ec7\u4ee3\u7801<\/li>\n\n\n\n<li>\u7528\u6570\u636e\u7ed3\u6784\u7ba1\u7406\u590d\u6742\u6570\u636e<\/li>\n\n\n\n<li>\u7528\u6587\u4ef6\u64cd\u4f5c\u4fdd\u5b58\u6570\u636e<\/li>\n\n\n\n<li>\u7528\u5f02\u5e38\u5904\u7406\u5e94\u5bf9\u9519\u8bef<\/li>\n<\/ol>\n\n\n\n<p>\u8fd9\u4e9b\u662f\u7f16\u7a0b\u7684\u57fa\u77f3\u3002\u63a5\u4e0b\u6765\uff0c\u4f60\u53ef\u4ee5\u6df1\u5165\u5b66\u4e60\uff1a<strong>\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b<\/strong><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b8c\u5168\u4ece\u96f6\u5f00\u59cb\u3002\u5fd8\u6389\u6240\u6709\u8bed\u8a00\u7684\u540d\u5b57\uff0c\u50cf\u7b2c\u4e00\u6b21\u89c2\u5bdf\u4e16\u754c\u4e00\u6837\uff0c\u6765\u8ba4\u8bc6\u7f16\u7a0b\u4e2d\u6700\u57fa\u7840\u3001\u6700\u91cd\u8981\u7684\u6982\u5ff5\u2014\u2014\u53d8\u91cf\u3002 \u7b2c\u4e00\u8bfe\uff1a\u6211 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"class_list":["post-1418","post","type-post","status-publish","format-standard","hentry","category-technology-horizon"],"_links":{"self":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/1418","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=1418"}],"version-history":[{"count":4,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/1418\/revisions"}],"predecessor-version":[{"id":1428,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/1418\/revisions\/1428"}],"wp:attachment":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=1418"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=1418"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=1418"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}