{"id":2046,"date":"2026-04-20T16:25:24","date_gmt":"2026-04-20T08:25:24","guid":{"rendered":"http:\/\/www.preluna.xyz\/?p=2046"},"modified":"2026-04-20T16:25:25","modified_gmt":"2026-04-20T08:25:25","slug":"for-_-in-rangeintinput","status":"publish","type":"post","link":"http:\/\/www.preluna.xyz\/index.php\/2026\/04\/20\/for-_-in-rangeintinput\/preluna\/text\/","title":{"rendered":"for _ in range(int(input())):"},"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\/for-_-in-1024x1014.png'><img class=\"lazyload lazyload-style-1\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1014\" data-original=\"http:\/\/www.preluna.xyz\/wp-content\/uploads\/2026\/04\/for-_-in-1024x1014.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" class=\"wp-image-2047\"  sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u8fd9\u4e00\u53e5 for _ in range(int(input())):\uff0c\u5b83\u8fd9\u4e2a\u662f\u4ec0\u4e48\u610f\u601d\u5462\uff1f\u6211\u4eec\u5f88\u5c11\u770b\u5230\u6709\u8fd9\u4e2a_\u5360\u4f4d\u7b26<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">\u5148\u56de\u7b54\u6700<code>for _ in range(int(input())):<\/code><\/h2>\n\n\n\n<p>\u8fd9\u4e00\u53e5\u53ef\u4ee5\u62c6\u6210 3 \u5c0f\u90e8\u5206\u6765\u770b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>for _ in range(int(input())):\n<\/code><\/pre>\n\n\n\n<p>\u5b83\u7684\u610f\u601d\u5176\u5b9e\u662f\uff1a<\/p>\n\n\n\n<p>\u201c\u5148\u8f93\u5165\u4e00\u4e2a\u6574\u6570\uff0c\u8868\u793a\u8981\u91cd\u590d\u591a\u5c11\u6b21\uff0c\u7136\u540e\u628a\u4e0b\u9762\u7f29\u8fdb\u7684\u4ee3\u7801\u6267\u884c\u8fd9\u4e48\u591a\u6b21\u3002\u201d<\/p>\n\n\n\n<p>\u6bd4\u5982\u8f93\u5165\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>5\n<\/code><\/pre>\n\n\n\n<p>\u90a3\u4e48\u8fd9\u4e00\u53e5\u5c31\u76f8\u5f53\u4e8e\uff1a<\/p>\n\n\n\n<p>\u201c\u4e0b\u9762\u7684\u4ee3\u7801\u5faa\u73af\u6267\u884c 5 \u6b21\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\"><code>int(input())<\/code> \u662f\u4ec0\u4e48\u610f\u601d<\/h2>\n\n\n\n<p>\u5148\u770b\u91cc\u9762\u8fd9\u4e00\u90e8\u5206\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>input()\n<\/code><\/pre>\n\n\n\n<p>\u4f5c\u7528\u662f\uff1a\u4ece\u952e\u76d8\u8bfb\u5165\u4e00\u884c\u5185\u5bb9\u3002<\/p>\n\n\n\n<p>\u4f46\u662f <code>input()<\/code> \u8bfb\u51fa\u6765\u7684\u5185\u5bb9\u9ed8\u8ba4\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\uff0c\u4e5f\u5c31\u662f <code>str<\/code>\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\u4f60\u8f93\u5165\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>5\n<\/code><\/pre>\n\n\n\n<p>\u5b9e\u9645\u4e0a <code>input()<\/code> \u5f97\u5230\u7684\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>'5'\n<\/code><\/pre>\n\n\n\n<p>\u5b83\u662f\u5b57\u7b26\u4e32\uff0c\u4e0d\u662f\u6574\u6570\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u8981\u518d\u7528 <code>int()<\/code> \u8f6c\u4e00\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>int(input())\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u6837 <code>'5'<\/code> \u5c31\u53d8\u6210\u4e86\u6574\u6570 <code>5<\/code>\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><code>range(int(input()))<\/code> \u662f\u4ec0\u4e48\u610f\u601d<\/h2>\n\n\n\n<p>\u5047\u8bbe\u8f93\u5165\u4e86 <code>5<\/code>\uff0c\u90a3\u4e48\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>range(5)\n<\/code><\/pre>\n\n\n\n<p>\u4f1a\u751f\u6210\u4e00\u4e2a\u201c\u5faa\u73af 5 \u6b21\u201d\u7684\u8303\u56f4\uff0c\u5bf9\u5e94\u7684\u503c\u4f9d\u6b21\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>0, 1, 2, 3, 4\n<\/code><\/pre>\n\n\n\n<p>\u6240\u4ee5\u8fd9\u53e5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>for _ in range(5):\n<\/code><\/pre>\n\n\n\n<p>\u5c31\u8868\u793a\u5faa\u73af 5 \u6b21\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\u4e2a <code>_<\/code> \u5230\u5e95\u662f\u4ec0\u4e48<\/h2>\n\n\n\n<p>\u521d\u5b66\u8005\u786e\u5b9e\u6bd4\u8f83\u5c11\u89c1\u5230\u8fd9\u4e2a\u5199\u6cd5\u3002<\/p>\n\n\n\n<p><code>_<\/code> \u672c\u8d28\u4e0a\u4e5f\u662f\u4e00\u4e2a\u53d8\u91cf\u540d\uff0c\u5b83\u4e0d\u662f\u7279\u6b8a\u8bed\u6cd5\uff0c\u4e0d\u662f\u4ec0\u4e48\u5360\u4f4d\u7b26\u5173\u952e\u5b57\u3002<\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\u8bf4\uff0c\u8fd9\u6837\u5199\u662f\u5408\u6cd5\u7684\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>for i in range(5):\n    print(i)\n<\/code><\/pre>\n\n\n\n<p>\u4e5f\u540c\u6837\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>for _ in range(5):\n    print('hello')\n<\/code><\/pre>\n\n\n\n<p>\u533a\u522b\u5728\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>i<\/code> \u8868\u793a\u201c\u6211\u7b49\u4f1a\u513f\u53ef\u80fd\u4f1a\u7528\u8fd9\u4e2a\u5faa\u73af\u53d8\u91cf\u201d<\/li>\n\n\n\n<li><code>_<\/code> \u8868\u793a\u201c\u8fd9\u4e2a\u5faa\u73af\u53d8\u91cf\u6211\u4e0d\u7528\uff0c\u6211\u53ea\u662f\u60f3\u91cd\u590d\u6267\u884c\u51e0\u6b21\u201d<\/li>\n<\/ul>\n\n\n\n<p>\u6bd4\u5982\u8fd9\u9898\u91cc\uff0c\u6211\u4eec\u53ea\u60f3\u5faa\u73af\u8f93\u5165\u5b66\u751f\u4fe1\u606f N \u6b21\uff0c\u4f46\u5e76\u4e0d\u5173\u5fc3\u8fd9\u662f\u7b2c\u51e0\u6b21\uff0c\u6240\u4ee5\u5e38\u5199\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>for _ in range(int(input())):\n<\/code><\/pre>\n\n\n\n<p>\u610f\u601d\u5c31\u662f\uff1a<\/p>\n\n\n\n<p>\u201c\u5faa\u73af\u82e5\u5e72\u6b21\uff0c\u4f46\u6bcf\u6b21\u7684\u7f16\u53f7\u6211\u4e0d\u9700\u8981\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\">\u6240\u4ee5 <code>_<\/code> \u4e0d\u662f\u201c\u5360\u4f4d\u7b26\u8bed\u6cd5\u201d\uff0c\u800c\u662f\u4e00\u79cd\u4e60\u60ef\u5199\u6cd5<\/h2>\n\n\n\n<p>\u66f4\u51c6\u786e\u5730\u8bf4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>_<\/code> \u53ea\u662f\u4e00\u4e2a\u666e\u901a\u53d8\u91cf\u540d<\/li>\n\n\n\n<li>\u4f46\u7a0b\u5e8f\u5458\u7ea6\u5b9a\u4fd7\u6210\u5730\u628a\u5b83\u5199\u6210\u201c\u6211\u4e0d\u7528\u8fd9\u4e2a\u53d8\u91cf\u201d<\/li>\n<\/ul>\n\n\n\n<p>\u4f8b\u5982\u4e0b\u9762\u4e24\u6bb5\u4ee3\u7801\u6548\u679c\u4e00\u6837\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>for i in range(3):\n    name = input()\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>for _ in range(3):\n    name = input()\n<\/code><\/pre>\n\n\n\n<p>\u53ea\u662f\u7b2c\u4e8c\u79cd\u66f4\u80fd\u8868\u8fbe\u4f60\u7684\u610f\u601d\uff1a<br>\u201c\u6211\u53ea\u5173\u5fc3\u5faa\u73af 3 \u6b21\uff0c\u4e0d\u5173\u5fc3 i \u662f\u591a\u5c11\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\">\u8fd9\u9053\u9898\u7684\u6570\u636e\u5230\u5e95\u662f\u600e\u4e48\u5b58\u7684<\/h2>\n\n\n\n<p>\u6838\u5fc3\u70b9\uff1a<code>students = []<\/code> \u660e\u660e\u662f\u4e2a\u5217\u8868\uff0c\u4e3a\u4ec0\u4e48\u540e\u9762\u53c8\u80fd <code>student[0]<\/code>\u3001<code>student[1]<\/code> \u5462\uff1f<\/p>\n\n\n\n<p>\u5173\u952e\u5c31\u5728\u4e8e\uff1a<strong><code>students<\/code> \u4e0d\u662f\u666e\u901a\u7684\u4e00\u5c42\u5217\u8868\uff0c\u800c\u662f\u4e00\u4e2a\u5d4c\u5957\u5217\u8868\u3002<\/strong><\/p>\n\n\n\n<p>\u4e5f\u5c31\u662f\uff1a<strong>\u5217\u8868\u91cc\u9762\u653e\u7684\u8fd8\u662f\u5217\u8868\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\">\u5148\u770b\u6700\u5f00\u59cb\u8fd9\u53e5<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>students = &#91;]\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u8868\u793a\u5148\u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868\u3002<\/p>\n\n\n\n<p>\u4e00\u5f00\u59cb\u91cc\u9762\u4ec0\u4e48\u90fd\u6ca1\u6709\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>students = &#91;]\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\">\u6bcf\u6b21\u8bfb\u5165\u4e00\u4e2a\u5b66\u751f\u540e\uff0c\u653e\u8fdb\u53bb\u4e00\u4efd <code>[name, score]<\/code><\/h2>\n\n\n\n<p>\u4ee3\u7801\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>name = input()\nscore = float(input())\nstudents.append(&#91;name, score])\n<\/code><\/pre>\n\n\n\n<p>\u5047\u8bbe\u8f93\u5165\u7684\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Harry\n37.21\n<\/code><\/pre>\n\n\n\n<p>\u90a3\u4e48\u8fd9\u4e00\u8f6e\u4f1a\u5f97\u5230\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>name = 'Harry'\nscore = 37.21\n<\/code><\/pre>\n\n\n\n<p>\u7136\u540e\u6267\u884c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>students.append(&#91;name, score])\n<\/code><\/pre>\n\n\n\n<p>\u76f8\u5f53\u4e8e\u628a\u8fd9\u4e2a\u5c0f\u5217\u8868\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'Harry', 37.21]\n<\/code><\/pre>\n\n\n\n<p>\u52a0\u5165\u5230 <code>students<\/code> \u91cc\u9762\u3002<\/p>\n\n\n\n<p>\u6b64\u65f6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>students = &#91;&#91;'Harry', 37.21]]\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\">\u5982\u679c\u7ee7\u7eed\u8f93\u5165\u7b2c\u4e8c\u4e2a\u5b66\u751f\u5462<\/h2>\n\n\n\n<p>\u518d\u8f93\u5165\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Berry\n37.21\n<\/code><\/pre>\n\n\n\n<p>\u53c8\u4f1a\u52a0\u5165\u4e00\u4e2a\u5c0f\u5217\u8868\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'Berry', 37.21]\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u65f6 <code>students<\/code> \u53d8\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>students = &#91;&#91;'Harry', 37.21], &#91;'Berry', 37.21]]\n<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u518d\u8f93\u5165\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Tina\n37.2\n<\/code><\/pre>\n\n\n\n<p>\u90a3\u4e48\u5c31\u4f1a\u53d8\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>students = &#91;&#91;'Harry', 37.21], &#91;'Berry', 37.21], &#91;'Tina', 37.2]]\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\">\u6240\u4ee5 <code>students<\/code> \u7684\u7ed3\u6784\u5230\u5e95\u662f\u4ec0\u4e48<\/h2>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u628a\u5b83\u7406\u89e3\u6210\uff1a<\/p>\n\n\n\n<p>\u201c\u4e00\u4e2a\u73ed\u7ea7\u540d\u5355\u8868\uff0c\u8868\u91cc\u7684\u6bcf\u4e00\u884c\u90fd\u662f\u4e00\u4e2a\u5b66\u751f\u7684\u4fe1\u606f\u3002\u201d<\/p>\n\n\n\n<p>\u7ed3\u6784\u50cf\u8fd9\u6837\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>students \u91cc\u9762\u7684\u5143\u7d20<\/th><th>\u542b\u4e49<\/th><\/tr><\/thead><tbody><tr><td><code>['Harry', 37.21]<\/code><\/td><td>\u4e00\u4e2a\u5b66\u751f\u7684\u59d3\u540d\u548c\u5206\u6570<\/td><\/tr><tr><td><code>['Berry', 37.21]<\/code><\/td><td>\u4e00\u4e2a\u5b66\u751f\u7684\u59d3\u540d\u548c\u5206\u6570<\/td><\/tr><tr><td><code>['Tina', 37.2]<\/code><\/td><td>\u4e00\u4e2a\u5b66\u751f\u7684\u59d3\u540d\u548c\u5206\u6570<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u6240\u4ee5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>students<\/code> \u662f\u201c\u5927\u5217\u8868\u201d<\/li>\n\n\n\n<li>\u91cc\u9762\u6bcf\u4e2a\u5143\u7d20 <code>student<\/code> \u662f\u201c\u5c0f\u5217\u8868\u201d<\/li>\n\n\n\n<li>\u5c0f\u5217\u8868\u91cc\u6709\u4e24\u4e2a\u5185\u5bb9\uff1a\u59d3\u540d\u3001\u5206\u6570<\/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\">\u4e3a\u4ec0\u4e48\u540e\u9762\u53ef\u4ee5\u5199 <code>student[0]<\/code> \u548c <code>student[1]<\/code><\/h2>\n\n\n\n<p>\u770b\u8fd9\u6bb5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>for student in students:\n    scores.append(student&#91;1])\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u7684 <code>for student in students<\/code> \u610f\u601d\u662f\uff1a<\/p>\n\n\n\n<p>\u201c\u628a <code>students<\/code> \u91cc\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u4f9d\u6b21\u53d6\u51fa\u6765\uff0c\u4e34\u65f6\u653e\u5230\u53d8\u91cf <code>student<\/code> \u4e2d\u3002\u201d<\/p>\n\n\n\n<p>\u6ce8\u610f\uff1a<\/p>\n\n\n\n<p>\u8fd9\u91cc\u7684 <code>student<\/code> \u4e0d\u662f\u6574\u4e2a <code>students<\/code>\uff0c\u5b83\u53ea\u662f <code>students<\/code> \u91cc\u7684\u5176\u4e2d\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n\n\n\n<p>\u800c <code>students<\/code> \u91cc\u7684\u6bcf\u4e00\u4e2a\u5143\u7d20\u672c\u8eab\u53c8\u662f\u4e00\u4e2a\u5217\u8868\uff0c\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'Harry', 37.21]\n<\/code><\/pre>\n\n\n\n<p>\u90a3\u4e48\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>student[0]<\/code> \u5c31\u662f\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u4e5f\u5c31\u662f\u59d3\u540d<\/li>\n\n\n\n<li><code>student[1]<\/code> \u5c31\u662f\u7b2c\u4e8c\u4e2a\u5143\u7d20\uff0c\u4e5f\u5c31\u662f\u5206\u6570<\/li>\n<\/ul>\n\n\n\n<p>\u4f8b\u5982\u5f53\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>student = &#91;'Harry', 37.21]\n<\/code><\/pre>\n\n\n\n<p>\u90a3\u4e48\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>student&#91;0]   # 'Harry'\nstudent&#91;1]   # 37.21\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\">\u4f60\u53ef\u4ee5\u8fd9\u6837\u7406\u89e3\u201c\u5916\u5c42\u5217\u8868\u201d\u548c\u201c\u5185\u5c42\u5217\u8868\u201d<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5916\u5c42\u5217\u8868<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>students\n<\/code><\/pre>\n\n\n\n<p>\u8868\u793a\u201c\u5168\u73ed\u6240\u6709\u5b66\u751f\u201d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5185\u5c42\u5217\u8868<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>student\n<\/code><\/pre>\n\n\n\n<p>\u8868\u793a\u201c\u67d0\u4e00\u4e2a\u5b66\u751f\u7684\u8fd9\u4e00\u884c\u6570\u636e\u201d\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>students&#91;0]\n<\/code><\/pre>\n\n\n\n<p>\u8868\u793a\u7b2c 1 \u4e2a\u5b66\u751f\u7684\u6574\u884c\u6570\u636e\uff0c\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'Harry', 37.21]\n<\/code><\/pre>\n\n\n\n<p>\u800c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>students&#91;0]&#91;0]\n<\/code><\/pre>\n\n\n\n<p>\u8868\u793a\u7b2c 1 \u4e2a\u5b66\u751f\u7684\u540d\u5b57\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>'Harry'\n<\/code><\/pre>\n\n\n\n<p><code>students[0][1]<\/code> \u8868\u793a\u7b2c 1 \u4e2a\u5b66\u751f\u7684\u5206\u6570\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>37.21\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\">\u7528\u4e00\u4e2a\u6700\u5c0f\u4f8b\u5b50\u628a\u201c\u5b58\u201d\u548c\u201c\u53d6\u201d\u5b8c\u6574\u6f14\u793a\u4e00\u904d<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5148\u5b58<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>students = &#91;]\n\nstudents.append(&#91;'Harry', 37.21])\nstudents.append(&#91;'Berry', 37.21])\nstudents.append(&#91;'Tina', 37.2])\n\nprint(students)\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;&#91;'Harry', 37.21], &#91;'Berry', 37.21], &#91;'Tina', 37.2]]\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u8bf4\u660e <code>students<\/code> \u91cc\u88c5\u7740\u591a\u4e2a\u201c\u5c0f\u5217\u8868\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\">\u518d\u53d6<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>students = &#91;&#91;'Harry', 37.21], &#91;'Berry', 37.21], &#91;'Tina', 37.2]]\n\nprint(students&#91;0])      # \u7b2c\u4e00\u4e2a\u5b66\u751f\u6574\u884c\u6570\u636e\nprint(students&#91;0]&#91;0])   # \u7b2c\u4e00\u4e2a\u5b66\u751f\u540d\u5b57\nprint(students&#91;0]&#91;1])   # \u7b2c\u4e00\u4e2a\u5b66\u751f\u5206\u6570\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'Harry', 37.21]\nHarry\n37.21\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\">\u56de\u5230\u4f60\u8fd9\u9053\u9898\uff0c\u6574\u6bb5\u4ee3\u7801\u662f\u600e\u4e48\u4e00\u6b65\u6b65\u8fd0\u884c\u7684<\/h2>\n\n\n\n<p>\u539f\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>if __name__ == '__main__':\n    students = &#91;]\n    for _ in range(int(input())):\n        name = input()\n        score = float(input())\n        students.append(&#91;name, score])\n        \n    scores = &#91;]\n    for student in students:\n        scores.append(student&#91;1])    \n \n    second_lowest = sorted(set(scores))&#91;1]\n\n    names = &#91;]\n    for student in students:\n        if student&#91;1] == second_lowest:\n            names.append(student&#91;0])\n            \n    names.sort()        \n\n    for name in names:\n        print(name)\n<\/code><\/pre>\n\n\n\n<p>\u4e0b\u9762\u6211\u6309\u6267\u884c\u987a\u5e8f\u7ed9\u4f60\u62c6\u5f00\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c\u4e00\u6b65\uff1a\u8bfb\u5165\u5b66\u751f\u4eba\u6570<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>for _ in range(int(input())):\n<\/code><\/pre>\n\n\n\n<p>\u5047\u8bbe\u8f93\u5165\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>5\n<\/code><\/pre>\n\n\n\n<p>\u90a3\u4e48\u8868\u793a\u4e0b\u9762\u8981\u5faa\u73af 5 \u6b21\uff0c\u4e5f\u5c31\u662f\u8981\u8bfb\u5165 5 \u4e2a\u5b66\u751f\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7b2c\u4e8c\u6b65\uff1a\u628a\u6bcf\u4e2a\u5b66\u751f\u7684\u4fe1\u606f\u5b58\u5230 <code>students<\/code> \u91cc<\/h2>\n\n\n\n<p>\u6bcf\u6b21\u5faa\u73af\u6267\u884c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>name = input()\nscore = float(input())\nstudents.append(&#91;name, score])\n<\/code><\/pre>\n\n\n\n<p>\u5047\u8bbe\u4f9d\u6b21\u8f93\u5165\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Harry\n37.21\nBerry\n37.21\nTina\n37.2\nAkriti\n41\nHarsh\n39\n<\/code><\/pre>\n\n\n\n<p>\u5faa\u73af\u7ed3\u675f\u540e\uff0c<code>students<\/code> \u53d8\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;\n    &#91;'Harry', 37.21],\n    &#91;'Berry', 37.21],\n    &#91;'Tina', 37.2],\n    &#91;'Akriti', 41.0],\n    &#91;'Harsh', 39.0]\n]\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\">\u7b2c\u4e09\u6b65\uff1a\u628a\u6240\u6709\u5206\u6570\u5355\u72ec\u53d6\u51fa\u6765<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>scores = &#91;]\nfor student in students:\n    scores.append(student&#91;1])\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u6bcf\u6b21\u53d6\u51fa\u4e00\u4e2a\u5b66\u751f\u7684\u5c0f\u5217\u8868\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b2c\u4e00\u6b21 <code>student = ['Harry', 37.21]<\/code><\/li>\n\n\n\n<li>\u7b2c\u4e8c\u6b21 <code>student = ['Berry', 37.21]<\/code><\/li>\n\n\n\n<li>\u7b2c\u4e09\u6b21 <code>student = ['Tina', 37.2]<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u7136\u540e <code>student[1]<\/code> \u5c31\u662f\u6bcf\u4e2a\u5b66\u751f\u7684\u5206\u6570\u3002<\/p>\n\n\n\n<p>\u6700\u540e <code>scores<\/code> \u53d8\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;37.21, 37.21, 37.2, 41.0, 39.0]\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\">\u7b2c\u56db\u6b65\uff1a\u627e\u51fa\u7b2c\u4e8c\u4f4e\u5206<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>second_lowest = sorted(set(scores))&#91;1]\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u53e5\u53ef\u4ee5\u62c6\u5f00\u7406\u89e3\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><code>set(scores)<\/code><\/h3>\n\n\n\n<p>\u53bb\u91cd\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>set(&#91;37.21, 37.21, 37.2, 41.0, 39.0])\n<\/code><\/pre>\n\n\n\n<p>\u7ed3\u679c\u76f8\u5f53\u4e8e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>{37.2, 37.21, 39.0, 41.0}\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><code>sorted(...)<\/code><\/h3>\n\n\n\n<p>\u6392\u5e8f\u540e\u53d8\u6210\u5217\u8868\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;37.2, 37.21, 39.0, 41.0]\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\"><code>[1]<\/code><\/h3>\n\n\n\n<p>\u53d6\u6392\u5e8f\u540e\u7684\u7b2c 2 \u4e2a\u5143\u7d20\u3002<\/p>\n\n\n\n<p>\u56e0\u4e3a\u4e0b\u6807\u4ece 0 \u5f00\u59cb\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>[0]<\/code> \u662f\u6700\u4f4e\u5206<\/li>\n\n\n\n<li><code>[1]<\/code> \u662f\u7b2c\u4e8c\u4f4e\u5206<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>second_lowest = 37.21\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\">\u7b2c\u4e94\u6b65\uff1a\u627e\u51fa\u6240\u6709\u7b2c\u4e8c\u4f4e\u5206\u5bf9\u5e94\u7684\u540d\u5b57<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>names = &#91;]\nfor student in students:\n    if student&#91;1] == second_lowest:\n        names.append(student&#91;0])\n<\/code><\/pre>\n\n\n\n<p>\u610f\u601d\u662f\uff1a<\/p>\n\n\n\n<p>\u904d\u5386\u6bcf\u4e2a\u5b66\u751f\uff0c\u5982\u679c\u8fd9\u4e2a\u5b66\u751f\u7684\u5206\u6570\u7b49\u4e8e\u7b2c\u4e8c\u4f4e\u5206\uff0c\u5c31\u628a\u4ed6\u7684\u540d\u5b57\u52a0\u8fdb <code>names<\/code>\u3002<\/p>\n\n\n\n<p>\u6700\u540e\u5f97\u5230\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'Harry', 'Berry']\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\">\u7b2c\u516d\u6b65\uff1a\u6309\u5b57\u6bcd\u6392\u5e8f\u540d\u5b57<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>names.sort()\n<\/code><\/pre>\n\n\n\n<p>\u6392\u5e8f\u540e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'Berry', 'Harry']\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\">\u7b2c\u4e03\u6b65\uff1a\u4e00\u4e2a\u540d\u5b57\u4e00\u884c\u8f93\u51fa<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>for name in names:\n    print(name)\n<\/code><\/pre>\n\n\n\n<p>\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Berry\nHarry\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\">\u4ece\u601d\u8def\u5230\u4ee3\u7801\uff1a\u8fd9\u9898\u5e94\u8be5\u600e\u4e48\u60f3<\/h2>\n\n\n\n<p>\u8fd9\u9898\u4e0d\u8981\u4e00\u4e0a\u6765\u5c31\u786c\u5199\u4ee3\u7801\uff0c\u5148\u60f3\u6e05\u695a\u6b65\u9aa4\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u6b65\u5148\u60f3\uff1a\u6211\u8981\u5b58\u4ec0\u4e48<\/h3>\n\n\n\n<p>\u6bcf\u4e2a\u5b66\u751f\u6709\u4e24\u9879\u4fe1\u606f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u59d3\u540d<\/li>\n\n\n\n<li>\u5206\u6570<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u4ee5\u4e00\u4e2a\u5b66\u751f\u53ef\u4ee5\u5b58\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;name, score]\n<\/code><\/pre>\n\n\n\n<p>\u591a\u4e2a\u5b66\u751f\u5c31\u53ef\u4ee5\u5b58\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>students = &#91;\n    &#91;name1, score1],\n    &#91;name2, score2],\n    ...\n]\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\">\u7b2c\u4e8c\u6b65\u518d\u60f3\uff1a\u6211\u8981\u627e\u4ec0\u4e48<\/h3>\n\n\n\n<p>\u9898\u76ee\u8981\u627e\u7684\u662f\uff1a<\/p>\n\n\n\n<p>\u201c\u7b2c\u4e8c\u4f4e\u5206\u5bf9\u5e94\u7684\u5b66\u751f\u59d3\u540d\u201d<\/p>\n\n\n\n<p>\u6240\u4ee5\u5e94\u8be5\u5148\u62ff\u5230\u6240\u6709\u5206\u6570\uff0c\u627e\u51fa\u7b2c\u4e8c\u4f4e\u5206\uff0c\u518d\u56de\u5934\u627e\u54ea\u4e9b\u5b66\u751f\u5206\u6570\u7b49\u4e8e\u5b83\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e09\u6b65\u7ffb\u8bd1\u6210\u4ee3\u7801<\/h3>\n\n\n\n<p>\u5148\u8bfb\u5165\u5e76\u5b58\u50a8\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>students = &#91;]\nfor _ in range(int(input())):\n    name = input()\n    score = float(input())\n    students.append(&#91;name, score])\n<\/code><\/pre>\n\n\n\n<p>\u518d\u63d0\u53d6\u6240\u6709\u5206\u6570\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>scores = &#91;]\nfor student in students:\n    scores.append(student&#91;1])\n<\/code><\/pre>\n\n\n\n<p>\u518d\u627e\u7b2c\u4e8c\u4f4e\u5206\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>second_lowest = sorted(set(scores))&#91;1]\n<\/code><\/pre>\n\n\n\n<p>\u518d\u627e\u540d\u5b57\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>names = &#91;]\nfor student in students:\n    if student&#91;1] == second_lowest:\n        names.append(student&#91;0])\n<\/code><\/pre>\n\n\n\n<p>\u6700\u540e\u6392\u5e8f\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>names.sort()\nfor name in names:\n    print(name)\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\">\u5e38\u89c1\u9519\u8bef\u4e0e\u6613\u6df7\u70b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u628a <code>students<\/code> \u548c <code>student<\/code> \u641e\u6df7<\/h3>\n\n\n\n<p>\u8fd9\u662f\u521d\u5b66\u8005\u6700\u5bb9\u6613\u6df7\u7684\u5730\u65b9\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>students<\/code>\uff1a\u6574\u4e2a\u5b66\u751f\u5217\u8868<\/li>\n\n\n\n<li><code>student<\/code>\uff1a\u5176\u4e2d\u4e00\u4e2a\u5b66\u751f\u7684\u5c0f\u5217\u8868<\/li>\n<\/ul>\n\n\n\n<p>\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>for student in students:\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u7684 <code>student<\/code> \u4e0d\u662f\u201c\u6240\u6709\u5b66\u751f\u201d\uff0c\u53ea\u662f\u201c\u5f53\u524d\u8fd9\u4e00\u4e2a\u5b66\u751f\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\">2. \u4ee5\u4e3a <code>student[0]<\/code> \u662f\u4ece\u8f93\u5165\u91cc\u76f4\u63a5\u8bfb\u51fa\u6765\u7684<\/h3>\n\n\n\n<p>\u4e0d\u662f\u7684\u3002<\/p>\n\n\n\n<p><code>student[0]<\/code> \u7684\u524d\u63d0\u662f\uff1a<code>student<\/code> \u672c\u8eab\u662f\u4e00\u4e2a\u5217\u8868\uff0c\u6bd4\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;'Harry', 37.21]\n<\/code><\/pre>\n\n\n\n<p>\u6240\u4ee5\u624d\u6709\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>student&#91;0]   # \u59d3\u540d\nstudent&#91;1]   # \u5206\u6570\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\">3. \u4e0d\u7406\u89e3\u4e3a\u4ec0\u4e48 <code>[1]<\/code> \u662f\u7b2c\u4e8c\u4f4e\u5206<\/h3>\n\n\n\n<p>\u56e0\u4e3a\u6392\u5e8f\u540e\u4e0b\u6807\u4ece 0 \u5f00\u59cb\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;37.2, 37.21, 39.0, 41.0]\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>0<\/code> \u53f7\u4f4d\u7f6e\uff1a\u6700\u4f4e\u5206<\/li>\n\n\n\n<li><code>1<\/code> \u53f7\u4f4d\u7f6e\uff1a\u7b2c\u4e8c\u4f4e\u5206<\/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\">4. \u628a <code>sort()<\/code> \u548c <code>sorted()<\/code> \u7528\u6df7<\/h3>\n\n\n\n<p>\u8fd9\u91cc\u4f60\u524d\u9762\u5df2\u7ecf\u78b0\u5230\u8fc7\u8fd9\u4e2a\u95ee\u9898\u4e86\uff0c\u987a\u4fbf\u518d\u5f3a\u8c03\u4e00\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>names.sort()\n<\/code><\/pre>\n\n\n\n<p>\u662f\u201c\u539f\u5730\u6392\u5e8f\u201d\uff0c\u76f4\u63a5\u6539\u539f\u5217\u8868\u3002<\/p>\n\n\n\n<p>\u800c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sorted(scores)\n<\/code><\/pre>\n\n\n\n<p>\u662f\u201c\u8fd4\u56de\u4e00\u4e2a\u65b0\u5217\u8868\u201d\u3002<\/p>\n\n\n\n<p>\u8fd9\u9898\u91cc\u4e24\u79cd\u90fd\u80fd\u7528\uff0c\u4f46\u4f60\u8981\u77e5\u9053\u533a\u522b\u3002<\/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\u66f4\u76f4\u89c2\u7684\u201c\u6570\u636e\u7ed3\u6784\u56fe\u201d<\/h2>\n\n\n\n<p>\u5047\u8bbe\u8f93\u5165\u5b8c\u4e4b\u540e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>students = &#91;\n    &#91;'Harry', 37.21],\n    &#91;'Berry', 37.21],\n    &#91;'Tina', 37.2]\n]\n<\/code><\/pre>\n\n\n\n<p>\u90a3\u4e48\u53ef\u4ee5\u628a\u5b83\u60f3\u6210\u8fd9\u6837\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5916\u5c42\u4f4d\u7f6e<\/th><th>\u5185\u5c42\u5217\u8868\u5185\u5bb9<\/th><th>\u542b\u4e49<\/th><\/tr><\/thead><tbody><tr><td><code>students[0]<\/code><\/td><td><code>['Harry', 37.21]<\/code><\/td><td>\u7b2c\u4e00\u4e2a\u5b66\u751f<\/td><\/tr><tr><td><code>students[1]<\/code><\/td><td><code>['Berry', 37.21]<\/code><\/td><td>\u7b2c\u4e8c\u4e2a\u5b66\u751f<\/td><\/tr><tr><td><code>students[2]<\/code><\/td><td><code>['Tina', 37.2]<\/code><\/td><td>\u7b2c\u4e09\u4e2a\u5b66\u751f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u7ee7\u7eed\u5f80\u91cc\u53d6\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u8868\u8fbe\u5f0f<\/th><th>\u7ed3\u679c<\/th><th>\u542b\u4e49<\/th><\/tr><\/thead><tbody><tr><td><code>students[0][0]<\/code><\/td><td><code>'Harry'<\/code><\/td><td>\u7b2c\u4e00\u4e2a\u5b66\u751f\u7684\u540d\u5b57<\/td><\/tr><tr><td><code>students[0][1]<\/code><\/td><td><code>37.21<\/code><\/td><td>\u7b2c\u4e00\u4e2a\u5b66\u751f\u7684\u5206\u6570<\/td><\/tr><tr><td><code>students[1][0]<\/code><\/td><td><code>'Berry'<\/code><\/td><td>\u7b2c\u4e8c\u4e2a\u5b66\u751f\u7684\u540d\u5b57<\/td><\/tr><tr><td><code>students[1][1]<\/code><\/td><td><code>37.21<\/code><\/td><td>\u7b2c\u4e8c\u4e2a\u5b66\u751f\u7684\u5206\u6570<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6700\u5c0f\u53ef\u8fd0\u884c\u4f8b\u5b50<\/h2>\n\n\n\n<p>\u53ef\u4ee5\u5148\u5355\u72ec\u8fd0\u884c\u8fd9\u4e2a\u5c0f\u4f8b\u5b50\uff0c\u4e13\u95e8\u7ec3\u201c\u5217\u8868\u91cc\u5957\u5217\u8868\u201d\u7684\u5b58\u53d6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>students = &#91;]\n\nstudents.append(&#91;'Tom', 80])\nstudents.append(&#91;'Alice', 90])\n\nprint(students)        # \u6574\u4e2a\u5217\u8868\nprint(students&#91;0])     # \u7b2c\u4e00\u4e2a\u5b66\u751f\u6574\u884c\u6570\u636e\nprint(students&#91;0]&#91;0])  # \u7b2c\u4e00\u4e2a\u5b66\u751f\u540d\u5b57\nprint(students&#91;0]&#91;1])  # \u7b2c\u4e00\u4e2a\u5b66\u751f\u5206\u6570\n<\/code><\/pre>\n\n\n\n<p>\u8fd0\u884c\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;&#91;'Tom', 80], &#91;'Alice', 90]]\n&#91;'Tom', 80]\nTom\n80\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2a\u4f8b\u5b50\u770b\u61c2\u4e86\uff0c\u4f60\u5bf9\u8fd9\u9898\u7684\u201c\u6570\u636e\u600e\u4e48\u5b58\u3001\u600e\u4e48\u53d6\u201d\u5c31\u4f1a\u6e05\u695a\u5f88\u591a\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\u9053\u9898\u4f60\u73b0\u5728\u6700\u9700\u8981\u6293\u4f4f 3 \u4e2a\u70b9\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e00\uff0c<code>for _ in range(int(input())):<\/code> \u7684\u610f\u601d\u662f\uff1a<br>\u5148\u8f93\u5165\u4e00\u4e2a\u6574\u6570 N\uff0c\u7136\u540e\u628a\u4e0b\u9762\u4ee3\u7801\u6267\u884c N \u6b21\u3002\u8fd9\u91cc\u7684 <code>_<\/code> \u53ea\u662f\u4e00\u4e2a\u201c\u6211\u4e0d\u9700\u8981\u8fd9\u4e2a\u5faa\u73af\u53d8\u91cf\u201d\u7684\u4e60\u60ef\u5199\u6cd5\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e8c\uff0c<code>students = []<\/code> \u867d\u7136\u662f\u5217\u8868\uff0c\u4f46\u5b83\u5b58\u8fdb\u53bb\u7684\u6bcf\u4e2a\u5143\u7d20\u53c8\u662f\u4e00\u4e2a\u5c0f\u5217\u8868\uff0c\u6240\u4ee5\u5b83\u662f\u4e00\u4e2a\u201c\u5d4c\u5957\u5217\u8868\u201d\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e09\uff0c<code>student[0]<\/code> \u548c <code>student[1]<\/code> \u4e0d\u662f\u5728\u53d6 <code>students<\/code>\uff0c\u800c\u662f\u5728\u53d6\u201c\u67d0\u4e00\u4e2a\u5b66\u751f\u7684\u5c0f\u5217\u8868\u201d\u91cc\u7684\u7b2c 1 \u9879\u548c\u7b2c 2 \u9879\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>student[0]<\/code> \u662f\u59d3\u540d<\/li>\n\n\n\n<li><code>student[1]<\/code> \u662f\u5206\u6570<\/li>\n<\/ul>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u628a\u5b83\u7406\u89e3\u6210\uff1a<br><code>students<\/code> \u662f\u201c\u5168\u73ed\u540d\u5355\u8868\u201d\uff0c<code>student<\/code> \u662f\u201c\u5176\u4e2d\u4e00\u884c\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>\u8bf7\u4f60\u81ea\u5df1\u5199\u4e00\u4e2a\u5c0f\u7a0b\u5e8f\uff0c\u4e0d\u7528\u627e\u7b2c\u4e8c\u4f4e\u5206\uff0c\u53ea\u505a\u4e0b\u9762\u8fd9\u4ef6\u4e8b\uff1a<\/p>\n\n\n\n<p>\u8bfb\u5165 3 \u4e2a\u5b66\u751f\u7684\u59d3\u540d\u548c\u5206\u6570\uff0c\u5b58\u8fdb <code>students<\/code>\uff0c\u6700\u540e\u6253\u5370\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6574\u4e2a <code>students<\/code><\/li>\n\n\n\n<li>\u7b2c 1 \u4e2a\u5b66\u751f\u7684\u540d\u5b57<\/li>\n\n\n\n<li>\u7b2c 2 \u4e2a\u5b66\u751f\u7684\u5206\u6570<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">\u63d0\u793a<\/h3>\n\n\n\n<p>\u5148\u628a\u6bcf\u4e2a\u5b66\u751f\u5b58\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;name, score]\n<\/code><\/pre>\n\n\n\n<p>\u518d\u628a\u5b83 <code>append()<\/code> \u5230 <code>students<\/code> \u91cc\u3002<br>\u6253\u5370\u7b2c 1 \u4e2a\u5b66\u751f\u540d\u5b57\u65f6\uff0c\u60f3\u4e00\u60f3\u5e94\u8be5\u662f\u5148\u53d6\u201c\u7b2c\u51e0\u4e2a\u5b66\u751f\u201d\uff0c\u8fd8\u662f\u5148\u53d6\u201c\u59d3\u540d\/\u5206\u6570\u201d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u4e00\u53e5 for _ in range(int(input())):\uff0c\u5b83\u8fd9\u4e2a\u662f\u4ec0\u4e48\u610f\u601d\u5462\uff1f\u6211\u4eec\u5f88\u5c11\u770b\u5230\u6709\u8fd9\u4e2a_\u5360 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