{"id":2031,"date":"2026-04-20T14:30:37","date_gmt":"2026-04-20T06:30:37","guid":{"rendered":"http:\/\/www.preluna.xyz\/?p=2031"},"modified":"2026-04-20T15:25:06","modified_gmt":"2026-04-20T07:25:06","slug":"%e4%bb%80%e4%b9%88%e5%8f%ab%e5%88%97%e8%a1%a8%e6%8e%a8%e5%af%bc%e5%bc%8f%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/www.preluna.xyz\/index.php\/2026\/04\/20\/%e4%bb%80%e4%b9%88%e5%8f%ab%e5%88%97%e8%a1%a8%e6%8e%a8%e5%af%bc%e5%bc%8f%ef%bc%9f\/preluna\/text\/","title":{"rendered":"\u4ec0\u4e48\u53eb\u5217\u8868\u63a8\u5bfc\u5f0f\uff1f"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/04\/\u5217\u8868\u63a8\u5bfc\u5f0f-794x1024.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"794\" height=\"1024\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/04\/\u5217\u8868\u63a8\u5bfc\u5f0f-794x1024.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2041\"  sizes=\"auto, (max-width: 794px) 100vw, 794px\" \/><\/div><\/figure>\n\n\n\n<p>\u5217\u8868\u63a8\u5bfc\u5f0f\uff0c\u82f1\u6587\u53eb <strong>list comprehension<\/strong>\u3002<br>\u5b83\u7684\u4f5c\u7528\u53ef\u4ee5\u5148\u7528\u4e00\u53e5\u6700\u76f4\u767d\u7684\u8bdd\u6765\u8bf4\uff1a<\/p>\n\n\n\n<p><strong>\u628a\u201c\u5faa\u73af\u53d6\u503c + \u6309\u6761\u4ef6\u7b5b\u9009 + \u653e\u8fdb\u5217\u8868\u201d\u8fd9\u51e0\u6b65\uff0c\u5408\u5e76\u6210\u4e00\u884c\u6765\u5199\u3002<\/strong><\/p>\n\n\n\n<p>\u4f60\u7ed9\u7684\u8fd9\u4e24\u6bb5\u4ee3\u7801\uff0c\u672c\u8d28\u4e0a\u505a\u7684\u662f <strong>\u540c\u4e00\u4ef6\u4e8b<\/strong>\uff1a<br>\u628a\u6240\u6709\u6ee1\u8db3 <code>i + j + k != n<\/code> \u7684 <code>[i, j, k]<\/code> \u653e\u8fdb\u5217\u8868\u91cc\uff0c\u6700\u540e\u6253\u5370\u51fa\u6765\u3002<\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b2c\u4e00\u6bb5\u662f <strong>\u5217\u8868\u63a8\u5bfc\u5f0f\u5199\u6cd5<\/strong><\/li>\n\n\n\n<li>\u7b2c\u4e8c\u6bb5\u662f <strong>\u666e\u901a for \u5faa\u73af + append \u5199\u6cd5<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u5b83\u4eec\u7684\u7ed3\u679c\u662f\u4e00\u6837\u7684\uff0c\u53ea\u662f\u5199\u6cd5\u4e0d\u540c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5148\u770b\u8fd9\u4e24\u6bb5\u4ee3\u7801\u5206\u522b\u5728\u505a\u4ec0\u4e48<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u6bb5\uff1a\u5217\u8868\u63a8\u5bfc\u5f0f\u5199\u6cd5<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>if __name__ == '__main__':\n    x = int(input())\n    y = int(input())\n    z = int(input())\n    n = int(input())\n\n    result = &#91;\n        &#91;i, j, k]\n        for i in range(x + 1)\n        for j in range(y + 1)\n        for k in range(z + 1)\n        if i + j + k != n\n    ]\n\n    print(result)<\/code><\/pre>\n\n\n\n<p>\u8fd9\u6bb5\u4ee3\u7801\u7684\u610f\u601d\u662f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f9d\u6b21\u53d6 <code>i<\/code><\/li>\n\n\n\n<li>\u518d\u4f9d\u6b21\u53d6 <code>j<\/code><\/li>\n\n\n\n<li>\u518d\u4f9d\u6b21\u53d6 <code>k<\/code><\/li>\n\n\n\n<li>\u5224\u65ad <code>i + j + k != n<\/code><\/li>\n\n\n\n<li>\u5982\u679c\u6761\u4ef6\u6210\u7acb\uff0c\u5c31\u628a <code>[i, j, k]<\/code> \u653e\u8fdb <code>result<\/code><\/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\">\u7b2c\u4e8c\u6bb5\uff1a\u666e\u901a for \u5faa\u73af\u5199\u6cd5<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>if __name__ == '__main__':\n    x = int(input())\n    y = int(input())\n    z = int(input())\n    n = int(input())\n\n    result = &#91;]\n\n    for i in range(x + 1):\n        for j in range(y + 1):\n            for k in range(z + 1):\n                if i + j + k != n:\n                    result.append(&#91;i, j, k])\n\n    print(result)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u6bb5\u4ee3\u7801\u7684\u610f\u601d\u662f\u5b8c\u5168\u4e00\u6837\u7684\uff0c\u53ea\u4e0d\u8fc7\u5b83\u628a\u8fc7\u7a0b\u4e00\u6b65\u4e00\u6b65\u5c55\u5f00\u5199\u51fa\u6765\u4e86\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5148\u51c6\u5907\u4e00\u4e2a\u7a7a\u5217\u8868 <code>result = []<\/code><\/li>\n\n\n\n<li>\u4e09\u5c42\u5faa\u73af\u4f9d\u6b21\u53d6 <code>i<\/code>\u3001<code>j<\/code>\u3001<code>k<\/code><\/li>\n\n\n\n<li>\u5982\u679c <code>i + j + k != n<\/code><\/li>\n\n\n\n<li>\u5c31\u6267\u884c <code>result.append([i, j, k])<\/code><\/li>\n\n\n\n<li>\u6700\u540e\u6253\u5370\u6574\u4e2a\u5217\u8868<\/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\">\u5217\u8868\u63a8\u5bfc\u5f0f\u7684\u57fa\u672c\u8bed\u6cd5<\/h2>\n\n\n\n<p>\u6700\u57fa\u7840\u7684\u6a21\u677f\u53ef\u4ee5\u5148\u8bb0\u8fd9\u4e2a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;\u8868\u8fbe\u5f0f for \u53d8\u91cf in \u53ef\u8fed\u4ee3\u5bf9\u8c61]\n<\/code><\/pre>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>nums = &#91;x for x in range(5)]\nprint(nums)\n<\/code><\/pre>\n\n\n\n<p>\u7ed3\u679c\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;0, 1, 2, 3, 4]\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>x<\/code> \u662f\u6bcf\u6b21\u53d6\u51fa\u6765\u7684\u503c<\/li>\n\n\n\n<li><code>for x in range(5)<\/code> \u8868\u793a\u5faa\u73af<\/li>\n\n\n\n<li>\u6700\u524d\u9762\u7684 <code>x<\/code> \u8868\u793a\u201c\u628a\u4ec0\u4e48\u4e1c\u897f\u653e\u8fdb\u5217\u8868\u91cc\u201d<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u5982\u679c\u8fd8\u8981\u52a0\u6761\u4ef6\uff0c\u5c31\u53d8\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;\u8868\u8fbe\u5f0f for \u53d8\u91cf in \u53ef\u8fed\u4ee3\u5bf9\u8c61 if \u6761\u4ef6]\n<\/code><\/pre>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>nums = &#91;x for x in range(5) if x % 2 == 0]\nprint(nums)\n<\/code><\/pre>\n\n\n\n<p>\u7ed3\u679c\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;0, 2, 4]\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u8868\u793a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ece <code>range(5)<\/code> \u91cc\u4e00\u4e2a\u4e2a\u53d6 <code>x<\/code><\/li>\n\n\n\n<li>\u53ea\u6709\u5f53 <code>x % 2 == 0<\/code> \u65f6<\/li>\n\n\n\n<li>\u624d\u628a <code>x<\/code> \u653e\u8fdb\u5217\u8868<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u8fd9\u9053\u9898\u91cc\u7684\u5217\u8868\u63a8\u5bfc\u5f0f\u600e\u4e48\u62c6\u5f00\u7406\u89e3<\/h2>\n\n\n\n<p>\u8fd9\u53e5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>result = &#91;\n    &#91;i, j, k]\n    for i in range(x + 1)\n    for j in range(y + 1)\n    for k in range(z + 1)\n    if i + j + k != n\n]<\/code><\/pre>\n\n\n\n<p>\u53ef\u4ee5\u6309\u201c\u7ffb\u8bd1\u6210\u4eba\u8bdd\u201d\u7684\u65b9\u5f0f\u7406\u89e3\uff1a<\/p>\n\n\n\n<p>\u201c\u6211\u8981\u751f\u6210\u4e00\u4e2a\u5217\u8868\u3002<br>\u5217\u8868\u91cc\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f <code>[i, j, k]<\/code>\u3002<br>\u5176\u4e2d <code>i<\/code> \u4ece <code>0<\/code> \u5230 <code>x<\/code>\uff0c<code>j<\/code> \u4ece <code>0<\/code> \u5230 <code>y<\/code>\uff0c<code>k<\/code> \u4ece <code>0<\/code> \u5230 <code>z<\/code>\u3002<br>\u4f46\u4e0d\u662f\u6240\u6709\u7ec4\u5408\u90fd\u8981\uff0c\u53ea\u8981\u90a3\u4e9b\u6ee1\u8db3 <code>i + j + k != n<\/code> \u7684\u7ec4\u5408\u3002\u201d<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b83\u548c\u666e\u901a for \u5faa\u73af\u5230\u5e95\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u76f8\u540c\u70b9<\/h3>\n\n\n\n<p>\u6700\u91cd\u8981\u7684\u4e00\u70b9\u5148\u8bf4\u6e05\u695a\uff1a<\/p>\n\n\n\n<p><strong>\u5b83\u4eec\u6700\u7ec8\u7ed3\u679c\u6ca1\u6709\u533a\u522b\u3002<\/strong><\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f97\u5230\u7684 <code>result<\/code> \u4e00\u6837<\/li>\n\n\n\n<li><code>print(result)<\/code> \u8f93\u51fa\u4e00\u6837<\/li>\n\n\n\n<li>\u5b8c\u6210\u7684\u4efb\u52a1\u4e00\u6837<\/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\">\u4e0d\u540c\u70b9 1\uff1a\u5199\u6cd5\u7d27\u51d1\u7a0b\u5ea6\u4e0d\u540c<\/h3>\n\n\n\n<p>\u5217\u8868\u63a8\u5bfc\u5f0f\u66f4\u77ed\uff0c\u66f4\u7d27\u51d1\u3002<\/p>\n\n\n\n<p>\u666e\u901a\u5faa\u73af\u5199\u6cd5\u66f4\u957f\uff0c\u4f46\u6b65\u9aa4\u66f4\u6e05\u695a\u3002<\/p>\n\n\n\n<p>\u5bf9\u6bd4\u4e00\u4e0b\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5217\u8868\u63a8\u5bfc\u5f0f<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>result = &#91;&#91;i, j, k] for i in range(x + 1) for j in range(y + 1) for k in range(z + 1) if i + j + k != n]\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u666e\u901a\u5faa\u73af<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>result = &#91;]\n\nfor i in range(x + 1):\n    for j in range(y + 1):\n        for k in range(z + 1):\n            if i + j + k != n:\n                result.append(&#91;i, j, k])\n<\/code><\/pre>\n\n\n\n<p>\u6240\u4ee5\u53ef\u4ee5\u8fd9\u6837\u7406\u89e3\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5217\u8868\u63a8\u5bfc\u5f0f\u50cf\u538b\u7f29\u7248<\/strong><\/li>\n\n\n\n<li><strong>\u666e\u901a\u5faa\u73af\u50cf\u5c55\u5f00\u7248<\/strong><\/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\">\u4e0d\u540c\u70b9 2\uff1a\u521d\u5b66\u8005\u7684\u7406\u89e3\u96be\u5ea6\u4e0d\u540c<\/h3>\n\n\n\n<p>\u5bf9\u4e8e\u521d\u5b66\u8005\u6765\u8bf4\uff0c\u901a\u5e38\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u666e\u901a <code>for<\/code> \u5faa\u73af\u66f4\u5bb9\u6613\u7406\u89e3<\/li>\n\n\n\n<li>\u5217\u8868\u63a8\u5bfc\u5f0f\u66f4\u5bb9\u6613\u5199\u5f97\u201c\u770b\u8d77\u6765\u77ed\uff0c\u4f46\u8111\u5b50\u8f6c\u4e0d\u8fc7\u6765\u201d<\/li>\n<\/ul>\n\n\n\n<p>\u56e0\u4e3a\u666e\u901a\u5faa\u73af\u628a\u8fc7\u7a0b\u5206\u5f97\u5f88\u6e05\u695a\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5148\u521b\u5efa\u7a7a\u5217\u8868<\/li>\n\n\n\n<li>\u518d\u5faa\u73af<\/li>\n\n\n\n<li>\u518d\u5224\u65ad<\/li>\n\n\n\n<li>\u518d\u8ffd\u52a0\u5143\u7d20<\/li>\n<\/ol>\n\n\n\n<p>\u800c\u5217\u8868\u63a8\u5bfc\u5f0f\u628a\u8fd9\u4e9b\u6b65\u9aa4\u5408\u5728\u4e00\u8d77\u4e86\uff0c\u6240\u4ee5\u8bfb\u8d77\u6765\u66f4\u50cf\u201c\u6d53\u7f29\u8868\u8fbe\u201d\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0c\u5bf9\u521d\u5b66\u8005\u6700\u5b9e\u7528\u7684\u5efa\u8bae\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u5148\u628a\u666e\u901a for \u5faa\u73af\u5199\u660e\u767d\uff0c\u518d\u53bb\u5b66\u5217\u8868\u63a8\u5bfc\u5f0f\u3002<\/strong><\/p>\n\n\n\n<p>\u56e0\u4e3a\u5217\u8868\u63a8\u5bfc\u5f0f\u5e76\u4e0d\u662f\u65b0\u7684\u903b\u8f91\uff0c\u5b83\u53ea\u662f\u628a\u8001\u903b\u8f91\u6362\u4e86\u4e00\u79cd\u66f4\u7d27\u51d1\u7684\u5199\u6cd5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e0d\u540c\u70b9 3\uff1a\u601d\u8003\u65b9\u5f0f\u4e0d\u540c<\/h3>\n\n\n\n<p>\u666e\u901a\u5faa\u73af\u66f4\u9002\u5408\u201c\u8fb9\u60f3\u8fb9\u5199\u201d\u3002<\/p>\n\n\n\n<p>\u5217\u8868\u63a8\u5bfc\u5f0f\u66f4\u9002\u5408\u201c\u6211\u5df2\u7ecf\u975e\u5e38\u6e05\u695a\u81ea\u5df1\u8981\u751f\u6210\u4ec0\u4e48\u5217\u8868\u201d\u3002<\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982\u679c\u4f60\u8fd8\u5728\u6478\u7d22\u903b\u8f91\uff0c\u7528\u666e\u901a\u5faa\u73af\u66f4\u7a33<\/li>\n\n\n\n<li>\u5982\u679c\u4f60\u5df2\u7ecf\u77e5\u9053\u201c\u4ece\u54ea\u91cc\u53d6\u503c\u3001\u6ee1\u8db3\u4ec0\u4e48\u6761\u4ef6\u3001\u653e\u4ec0\u4e48\u8fdb\u53bb\u201d\uff0c\u5c31\u53ef\u4ee5\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u7b80\u5316<\/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\">\u4e0d\u540c\u70b9 4\uff1a\u53d8\u91cf\u4f5c\u7528\u8303\u56f4\u6709\u4e00\u70b9\u7ec6\u8282\u5dee\u522b<\/h3>\n\n\n\n<p>\u8fd9\u4e00\u70b9\u4f60\u73b0\u5728\u4e0d\u7528\u5f3a\u8bb0\uff0c\u4f46\u53ef\u4ee5\u7a0d\u5fae\u77e5\u9053\u4e00\u4e0b\u3002<\/p>\n\n\n\n<p>\u5728 Python 3 \u91cc\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u666e\u901a <code>for<\/code> \u5faa\u73af\u91cc\u7684\u53d8\u91cf\uff0c\u5faa\u73af\u7ed3\u675f\u540e\u901a\u5e38\u8fd8\u53ef\u4ee5\u7ee7\u7eed\u7528<\/li>\n\n\n\n<li>\u5217\u8868\u63a8\u5bfc\u5f0f\u91cc\u7684\u53d8\u91cf\uff0c\u4f5c\u7528\u8303\u56f4\u66f4\u6536\u4e00\u4e9b<\/li>\n<\/ul>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>for i in range(3):\n    pass\n\nprint(i)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u901a\u5e38\u8fd8\u80fd\u6253\u5370\u51fa <code>2<\/code>\u3002<\/p>\n\n\n\n<p>\u4f46\u5217\u8868\u63a8\u5bfc\u5f0f\u91cc\u90a3\u4e2a <code>i<\/code>\uff0c\u4e00\u822c\u4e0d\u4f1a\u8fd9\u6837\u4fdd\u7559\u4e0b\u6765\u7ed9\u5916\u9762\u76f4\u63a5\u7528\u3002<\/p>\n\n\n\n<p>\u8fd9\u4e0d\u662f\u4f60\u5f53\u524d\u9636\u6bb5\u6700\u5173\u952e\u7684\u70b9\uff0c\u4f46\u8bf4\u660e\u5b83\u4eec\u4e0d\u4ec5\u662f\u201c\u957f\u77ed\u4e0d\u540c\u201d\uff0c\u5185\u90e8\u89c4\u5219\u4e5f\u4e0d\u662f 100% \u5b8c\u5168\u4e00\u6837\u3002<\/p>\n\n\n\n<p>\u4e0d\u8fc7\u5728\u4f60\u73b0\u5728\u8fd9\u9053\u9898\u91cc\uff0c\u8fd9\u4e2a\u533a\u522b\u51e0\u4e4e\u4e0d\u5f71\u54cd\u4f7f\u7528\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ece\u601d\u8def\u5230\u4ee3\u7801\uff1a\u4e3a\u4ec0\u4e48\u5b83\u4eec\u5176\u5b9e\u662f\u540c\u4e00\u79cd\u903b\u8f91\uff1f<\/h2>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u5148\u53ea\u60f3\u201c\u4eba\u7684\u601d\u8def\u201d\uff0c\u4e0d\u8981\u6025\u7740\u60f3\u4ee3\u7801\u3002<\/p>\n\n\n\n<p>\u8fd9\u9053\u9898\u7684\u601d\u8def\u5176\u5b9e\u662f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6211\u8981\u627e\u51fa\u6240\u6709 <code>(i, j, k)<\/code> \u7684\u7ec4\u5408<\/li>\n\n\n\n<li><code>i<\/code> \u7684\u8303\u56f4\u662f <code>0<\/code> \u5230 <code>x<\/code><\/li>\n\n\n\n<li><code>j<\/code> \u7684\u8303\u56f4\u662f <code>0<\/code> \u5230 <code>y<\/code><\/li>\n\n\n\n<li><code>k<\/code> \u7684\u8303\u56f4\u662f <code>0<\/code> \u5230 <code>z<\/code><\/li>\n\n\n\n<li>\u5982\u679c\u67d0\u4e2a\u7ec4\u5408\u6ee1\u8db3 <code>i + j + k != n<\/code><\/li>\n\n\n\n<li>\u5c31\u628a\u5b83\u4fdd\u5b58\u4e0b\u6765<\/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\">\u628a\u8fd9\u4e2a\u601d\u8def\u7ffb\u8bd1\u6210\u666e\u901a\u5faa\u73af<\/h3>\n\n\n\n<p>\u56e0\u4e3a\u201c\u4e00\u4e2a\u4e2a\u627e\u7ec4\u5408\u201d\uff0c\u6240\u4ee5\u8981\u7528\u5faa\u73af\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>for i in range(x + 1):\n    for j in range(y + 1):\n        for k in range(z + 1):\n<\/code><\/pre>\n\n\n\n<p>\u56e0\u4e3a\u201c\u7b26\u5408\u6761\u4ef6\u624d\u4fdd\u5b58\u201d\uff0c\u6240\u4ee5\u8981\u52a0\u5224\u65ad\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>if i + j + k != n:\n<\/code><\/pre>\n\n\n\n<p>\u56e0\u4e3a\u201c\u4fdd\u5b58\u5230\u5217\u8868\u91cc\u201d\uff0c\u6240\u4ee5\u8981\u5148\u6709\u4e00\u4e2a\u7a7a\u5217\u8868\uff0c\u518d <code>append<\/code>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>result = &#91;]\nresult.append(&#91;i, j, k])\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u5c31\u5f97\u5230\u4e86\u666e\u901a\u5199\u6cd5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u518d\u628a\u666e\u901a\u5faa\u73af\u538b\u7f29\u6210\u5217\u8868\u63a8\u5bfc\u5f0f<\/h3>\n\n\n\n<p>\u666e\u901a\u5199\u6cd5\u91cc\u6700\u6838\u5fc3\u7684\u4e00\u53e5\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>result.append(&#91;i, j, k])\n<\/code><\/pre>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c\u653e\u8fdb\u53bb\u7684\u5185\u5bb9\u662f <code>[i, j, k]<\/code>\u3002<\/p>\n\n\n\n<p>\u90a3\u4e48\u5217\u8868\u63a8\u5bfc\u5f0f\u6700\u524d\u9762\u5c31\u5199\u8fd9\u4e2a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;i, j, k]\n<\/code><\/pre>\n\n\n\n<p>\u540e\u9762\u518d\u8865\u4e0a\u201c\u8fd9\u4e9b\u503c\u4ece\u54ea\u91cc\u6765\u201d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>for i in range(x + 1)\nfor j in range(y + 1)\nfor k in range(z + 1)\n<\/code><\/pre>\n\n\n\n<p>\u6700\u540e\u518d\u8865\u4e0a\u201c\u7b5b\u9009\u6761\u4ef6\u201d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>if i + j + k != n\n<\/code><\/pre>\n\n\n\n<p>\u4e8e\u662f\u5c31\u6210\u4e86\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;\n    &#91;i, j, k]\n    for i in range(x + 1)\n    for j in range(y + 1)\n    for k in range(z + 1)\n    if i + j + k != n\n]<\/code><\/pre>\n\n\n\n<p>\u6240\u4ee5\u4f60\u4e00\u5b9a\u8981\u6293\u4f4f\u8fd9\u4e2a\u672c\u8d28\uff1a<\/p>\n\n\n\n<p><strong>\u5217\u8868\u63a8\u5bfc\u5f0f\u4e0d\u662f\u65b0\u4e1c\u897f\uff0c\u5b83\u53ea\u662f\u628a <code>for + if + append<\/code> \u5408\u5e76\u5199\u4e86\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u4e2a\u6700\u5c0f\u4f8b\u5b50\uff0c\u4e13\u95e8\u770b\u61c2\u5217\u8868\u63a8\u5bfc\u5f0f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u666e\u901a\u5199\u6cd5<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>result = &#91;]\n\nfor x in range(5):\n    if x % 2 == 0:\n        result.append(x)\n\nprint(result)\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;0, 2, 4]\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u5217\u8868\u63a8\u5bfc\u5f0f\u5199\u6cd5<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>result = &#91;x for x in range(5) if x % 2 == 0]\nprint(result)\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\u4e5f\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;0, 2, 4]\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e24\u6bb5\u4ee3\u7801\u7684\u533a\u522b\uff0c\u548c\u4f60\u90a3\u9053\u9898\u7684\u533a\u522b\u662f\u540c\u4e00\u4e2a\u9053\u7406\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u90a3\u521d\u5b66\u65f6\u5e94\u8be5\u4f18\u5148\u7528\u54ea\u4e00\u79cd\uff1f<\/h2>\n\n\n\n<p>\u5bf9\u4e8e\u4f60\u73b0\u5728\u8fd9\u4e2a\u9636\u6bb5\uff0c\u6211\u5efa\u8bae\u8fd9\u6837\u7528\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5f53\u4f60\u8fd8\u6ca1\u5b8c\u5168\u60f3\u6e05\u695a\u65f6<\/h3>\n\n\n\n<p>\u5148\u5199\u666e\u901a\u5faa\u73af\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>result = &#91;]\n\nfor ...\n    for ...\n        if ...\n            result.append(...)\n<\/code><\/pre>\n\n\n\n<p>\u56e0\u4e3a\u8fd9\u79cd\u5199\u6cd5\u6700\u5bb9\u6613\u68c0\u67e5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5faa\u73af\u8303\u56f4\u5bf9\u4e0d\u5bf9<\/li>\n\n\n\n<li>\u6761\u4ef6\u5bf9\u4e0d\u5bf9<\/li>\n\n\n\n<li>\u52a0\u8fdb\u53bb\u7684\u5143\u7d20\u5bf9\u4e0d\u5bf9<\/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\">\u5f53\u4f60\u5df2\u7ecf\u5f88\u6e05\u695a\u903b\u8f91\u65f6<\/h3>\n\n\n\n<p>\u518d\u6539\u6210\u5217\u8868\u63a8\u5bfc\u5f0f\u3002<\/p>\n\n\n\n<p>\u56e0\u4e3a\u8fd9\u65f6\u5019\u4f60\u5df2\u7ecf\u77e5\u9053\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6211\u8981\u751f\u6210\u4ec0\u4e48\u5143\u7d20<\/li>\n\n\n\n<li>\u5143\u7d20\u6765\u81ea\u54ea\u4e9b\u5faa\u73af<\/li>\n\n\n\n<li>\u54ea\u4e9b\u60c5\u51b5\u8981\u4fdd\u7559<\/li>\n<\/ul>\n\n\n\n<p>\u90a3\u4e48\u5c31\u53ef\u4ee5\u538b\u7f29\u6210\u4e00\u884c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u89c1\u9519\u8bef\u4e0e\u6613\u6df7\u70b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u5fd8\u8bb0 <code>append()<\/code> \u548c\u201c\u76f4\u63a5\u751f\u6210\u5217\u8868\u201d\u7684\u533a\u522b<\/h3>\n\n\n\n<p>\u666e\u901a\u5faa\u73af\u9700\u8981\u624b\u52a8\u52a0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>result.append(...)\n<\/code><\/pre>\n\n\n\n<p>\u5217\u8868\u63a8\u5bfc\u5f0f\u4e0d\u9700\u8981 <code>append()<\/code>\uff0c\u56e0\u4e3a\u5b83\u672c\u8eab\u5c31\u5728\u521b\u5efa\u5217\u8868\u3002<\/p>\n\n\n\n<p>\u9519\u8bef\u5199\u6cd5\u50cf\u8fd9\u6837\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>result = &#91;append(x) for x in range(5)]\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u662f\u4e0d\u5bf9\u7684\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u628a\u987a\u5e8f\u5199\u4e71<\/h3>\n\n\n\n<p>\u5217\u8868\u63a8\u5bfc\u5f0f\u91cc\u987a\u5e8f\u901a\u5e38\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;\u7ed3\u679c\u8868\u8fbe\u5f0f for ... for ... if ...]\n<\/code><\/pre>\n\n\n\n<p>\u4e0d\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;for ... if ... \u7ed3\u679c\u8868\u8fbe\u5f0f]\n<\/code><\/pre>\n\n\n\n<p>\u6700\u524d\u9762\u4e00\u5b9a\u5148\u5199\u201c\u653e\u8fdb\u5217\u8868\u7684\u5185\u5bb9\u201d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u5d4c\u5957\u592a\u591a\u4ee5\u540e\u8bfb\u4e0d\u61c2<\/h3>\n\n\n\n<p>\u50cf\u8fd9\u9898\u6709\u4e09\u5c42\u5faa\u73af\uff0c\u5df2\u7ecf\u6bd4\u7b80\u5355\u9898\u590d\u6742\u4e86\u3002<br>\u521d\u5b66\u65f6\u5982\u679c\u4e00\u773c\u770b\u4e0d\u61c2\uff0c\u5b8c\u5168\u6b63\u5e38\u3002<\/p>\n\n\n\n<p>\u8fd9\u65f6\u5019\u6700\u597d\u7684\u529e\u6cd5\u4e0d\u662f\u786c\u80cc\uff0c\u800c\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u5148\u5199\u666e\u901a\u5faa\u73af\uff0c\u518d\u628a\u5b83\u4e00\u5c42\u4e00\u5c42\u7ffb\u8bd1\u6210\u5217\u8868\u63a8\u5bfc\u5f0f\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\">4. \u8bef\u4ee5\u4e3a\u201c\u5217\u8868\u63a8\u5bfc\u5f0f\u66f4\u9ad8\u7ea7\uff0c\u6240\u4ee5\u5fc5\u987b\u7528\u5b83\u201d<\/h3>\n\n\n\n<p>\u4e0d\u662f\u8fd9\u6837\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u521d\u5b66\u8005\u6765\u8bf4\uff0c\u4ee3\u7801\u6700\u91cd\u8981\u7684\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u81ea\u5df1\u80fd\u770b\u61c2<\/li>\n\n\n\n<li>\u81ea\u5df1\u80fd\u6539\u5bf9<\/li>\n\n\n\n<li>\u81ea\u5df1\u80fd\u6392\u9519<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\u5f88\u591a\u65f6\u5019\uff0c\u666e\u901a\u5faa\u73af\u53cd\u800c\u66f4\u5408\u9002\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u8fd9\u9053\u9898\u53ef\u4ee5\u8fd9\u6837\u8bb0\u5fc6<\/h2>\n\n\n\n<p>\u8fd9\u4e24\u6bb5\u4ee3\u7801\u7684\u5173\u7cfb\uff0c\u53ef\u4ee5\u76f4\u63a5\u8bb0\u6210\u4e00\u53e5\u8bdd\uff1a<\/p>\n\n\n\n<p><strong>\u5217\u8868\u63a8\u5bfc\u5f0f = \u666e\u901a for \u5faa\u73af + \u6761\u4ef6\u5224\u65ad + append \u7684\u7b80\u5199\u5f62\u5f0f\u3002<\/strong><\/p>\n\n\n\n<p>\u518d\u5177\u4f53\u4e00\u70b9\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>result = &#91;\n    \u8868\u8fbe\u5f0f\n    for ...\n    for ...\n    if \u6761\u4ef6\n]\n<\/code><\/pre>\n\n\n\n<p>\u7b49\u4ef7\u4e8e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>result = &#91;]\n\nfor ...\n    for ...\n        if \u6761\u4ef6:\n            result.append(\u8868\u8fbe\u5f0f)\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u5c31\u662f\u6700\u6838\u5fc3\u7684\u5bf9\u5e94\u5173\u7cfb\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u672c\u8282\u5c0f\u7ed3<\/h2>\n\n\n\n<p>\u8fd9\u6b21\u6700\u9700\u8981\u5e26\u8d70\u7684\uff0c\u4e0d\u662f\u201c\u80cc\u4f1a\u5217\u8868\u63a8\u5bfc\u5f0f\u957f\u4ec0\u4e48\u6837\u201d\uff0c\u800c\u662f\u7406\u89e3\u5b83\u548c\u666e\u901a\u5faa\u73af\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n\n\n\n<p>\u53ef\u4ee5\u628a\u5b83\u603b\u7ed3\u6210\u4e09\u53e5\u8bdd\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u7528\u6765\u5feb\u901f\u751f\u6210\u5217\u8868\u7684\u3002<\/strong><\/li>\n\n\n\n<li><strong>\u5b83\u672c\u8d28\u4e0a\u5c31\u662f\u628a for \u5faa\u73af\u3001if \u6761\u4ef6\u3001append \u5408\u5e76\u5199\u5728\u4e00\u8d77\u3002<\/strong><\/li>\n\n\n\n<li><strong>\u4f60\u8fd9\u4e24\u6bb5\u4ee3\u7801\u7ed3\u679c\u4e00\u6837\uff0c\u533a\u522b\u4e3b\u8981\u53ea\u662f\u5199\u6cd5\u4e0d\u540c\u3002<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u5bf9\u4e8e\u521d\u5b66\u8005\u6765\u8bf4\uff0c\u6700\u63a8\u8350\u7684\u5b66\u4e60\u987a\u5e8f\u662f\uff1a<\/p>\n\n\n\n<p><strong>\u5148\u4f1a\u666e\u901a\u5faa\u73af\u5199\u6cd5\uff0c\u518d\u5b66\u4f1a\u628a\u5b83\u6539\u5199\u6210\u5217\u8868\u63a8\u5bfc\u5f0f\u3002<\/strong><\/p>\n\n\n\n<p>\u8fd9\u6837\u4ee5\u540e\u770b\u5230\u590d\u6742\u4e00\u70b9\u7684\u63a8\u5bfc\u5f0f\uff0c\u4e5f\u4e0d\u4f1a\u614c\uff0c\u56e0\u4e3a\u4f60\u77e5\u9053\u5b83\u672c\u8d28\u4e0a\u53ea\u662f\u201c\u5c55\u5f00\u7248 for \u5faa\u73af\u7684\u7f29\u5199\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\">\u7ec3\u4e60<\/h2>\n\n\n\n<p>\u628a\u4e0b\u9762\u8fd9\u6bb5\u666e\u901a\u5199\u6cd5\uff0c\u6539\u6210\u5217\u8868\u63a8\u5bfc\u5f0f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>result = &#91;]\n\nfor x in range(10):\n    if x % 2 == 1:\n        result.append(x * 2)\n\nprint(result)\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u63d0\u793a<\/h3>\n\n\n\n<p>\u5148\u4e0d\u8981\u6025\u7740\u4e00\u53e3\u6c14\u5199\u51fa\u6765\uff0c\u5148\u5206\u4e09\u6b65\u60f3\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6700\u7ec8\u653e\u8fdb\u5217\u8868\u7684\u5185\u5bb9\u662f\u4ec0\u4e48\uff1f<\/li>\n\n\n\n<li>\u503c\u662f\u4ece\u54ea\u91cc\u6765\u7684\uff1f<\/li>\n\n\n\n<li>\u4ec0\u4e48\u6761\u4ef6\u4e0b\u624d\u653e\u8fdb\u53bb\uff1f<\/li>\n<\/ol>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5217\u8868\u63a8\u5bfc\u5f0f\uff0c\u82f1\u6587\u53eb list comprehension\u3002\u5b83\u7684\u4f5c\u7528\u53ef\u4ee5\u5148\u7528\u4e00\u53e5\u6700\u76f4\u767d\u7684\u8bdd\u6765\u8bf4\uff1a \u628a\u201c\u5faa\u73af\u53d6\u503c  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[],"class_list":["post-2031","post","type-post","status-publish","format-standard","hentry","category-text"],"_links":{"self":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2031","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=2031"}],"version-history":[{"count":6,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2031\/revisions"}],"predecessor-version":[{"id":2042,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/posts\/2031\/revisions\/2042"}],"wp:attachment":[{"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=2031"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=2031"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.preluna.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=2031"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}