{"id":1082023,"date":"2025-01-08T12:44:58","date_gmt":"2025-01-08T04:44:58","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1082023.html"},"modified":"2025-01-08T12:45:01","modified_gmt":"2025-01-08T04:45:01","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e5%88%9b%e5%bb%ba%e4%b8%80%e4%b8%aa%e5%88%97%e8%a1%a8-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1082023.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u5217\u8868"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24183743\/fe1f7abe-977e-4de6-8890-5a1b3ed33fdc.webp\" alt=\"python\u4e2d\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u5217\u8868\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\uff0c\u521b\u5efa\u4e00\u4e2a\u5217\u8868\u7684\u65b9\u5f0f\u6709\u5f88\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u65b9\u62ec\u53f7\u3001\u4f7f\u7528\u5185\u7f6e\u7684list()\u51fd\u6570\u3001\u901a\u8fc7\u5217\u8868\u63a8\u5bfc\u5f0f\u7b49\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5404\u6709\u4f18\u52a3\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u573a\u666f\u3002<\/strong> <\/p>\n<\/p>\n<p><p>\u5176\u4e2d\uff0c\u4f7f\u7528\u65b9\u62ec\u53f7[]\u662f\u6700\u5e38\u89c1\u548c\u76f4\u63a5\u7684\u65b9\u5f0f\u3002\u4f60\u53ea\u9700\u5c06\u9700\u8981\u5305\u542b\u5728\u5217\u8868\u4e2d\u7684\u5143\u7d20\u653e\u5728\u65b9\u62ec\u53f7\u5185\uff0c\u7528\u9017\u53f7\u9694\u5f00\u5373\u53ef\u3002<strong>\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u76f4\u89c2\uff0c\u9002\u7528\u4e8e\u5927\u591a\u6570\u60c5\u51b5<\/strong>\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u5c06\u8be6\u7ec6\u89e3\u91ca\u8fd9\u79cd\u65b9\u6cd5\uff0c\u5e76\u4ecb\u7ecd\u5176\u4ed6\u51e0\u79cd\u521b\u5efa\u5217\u8868\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u4f7f\u7528\u65b9\u62ec\u53f7\u521b\u5efa\u5217\u8868<\/p>\n<\/p>\n<p><p>\u4f7f\u7528\u65b9\u62ec\u53f7[]\u662f\u521b\u5efa\u5217\u8868\u7684\u6700\u5e38\u89c1\u65b9\u6cd5\u3002\u8fd9\u79cd\u65b9\u5f0f\u7b80\u5355\u6613\u61c2\uff0c\u9002\u7528\u4e8e\u5927\u591a\u6570\u573a\u666f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_list = [1, 2, 3, 4, 5]<\/p>\n<p>print(my_list)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b\u4e94\u4e2a\u6574\u6570\u7684\u5217\u8868\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u4ee3\u7801\u76f4\u89c2\uff0c\u6613\u4e8e\u7406\u89e3\u548c\u7ef4\u62a4\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u4f7f\u7528\u5185\u7f6e\u7684list()\u51fd\u6570\u521b\u5efa\u5217\u8868<\/p>\n<\/p>\n<p><p>Python\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5185\u7f6e\u7684list()\u51fd\u6570\uff0c\u53ef\u4ee5\u5c06\u4efb\u4f55\u53ef\u8fed\u4ee3\u5bf9\u8c61\u8f6c\u6362\u4e3a\u5217\u8868\u3002\u8fd9\u4e2a\u65b9\u6cd5\u5728\u9700\u8981\u4ece\u5176\u4ed6\u6570\u636e\u7ed3\u6784\uff08\u5982\u5143\u7ec4\u3001\u5b57\u7b26\u4e32\u7b49\uff09\u521b\u5efa\u5217\u8868\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_tuple = (1, 2, 3, 4, 5)<\/p>\n<p>my_list = list(my_tuple)<\/p>\n<p>print(my_list)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2a\u5143\u7ec4\uff0c\u7136\u540e\u4f7f\u7528list()\u51fd\u6570\u5c06\u5176\u8f6c\u6362\u4e3a\u5217\u8868\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u7075\u6d3b\uff0c\u53ef\u4ee5\u5904\u7406\u5404\u79cd\u53ef\u8fed\u4ee3\u5bf9\u8c61\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u521b\u5efa\u5217\u8868<\/p>\n<\/p>\n<p><p>\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u7684\u8bed\u6cd5\uff0c\u7528\u4e8e\u521b\u5efa\u5305\u542b\u7279\u5b9a\u6a21\u5f0f\u7684\u5217\u8868\u3002\u5b83\u5141\u8bb8\u6211\u4eec\u5728\u4e00\u884c\u4ee3\u7801\u4e2d\u5b9a\u4e49\u5217\u8868\uff0c\u5e76\u4e14\u53ef\u4ee5\u5305\u542b\u6761\u4ef6\u548c\u5faa\u73af\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_list = [x for x in range(10)]<\/p>\n<p>print(my_list)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b0\u52309\u7684\u6574\u6570\u5217\u8868\u3002\u5217\u8868\u63a8\u5bfc\u5f0f\u7684\u4f18\u70b9\u662f\u4ee3\u7801\u7b80\u6d01\u3001\u9ad8\u6548\uff0c\u7279\u522b\u9002\u5408\u7528\u4e8e\u751f\u6210\u590d\u6742\u6a21\u5f0f\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u4f7f\u7528\u91cd\u590d\u64cd\u4f5c\u521b\u5efa\u5217\u8868<\/p>\n<\/p>\n<p><p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u91cd\u590d\u5143\u7d20\u7684\u5217\u8868\u3002Python\u5141\u8bb8\u6211\u4eec\u901a\u8fc7\u4e58\u6cd5\u8fd0\u7b97\u7b26*\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_list = [0] * 10<\/p>\n<p>print(my_list)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b10\u4e2a0\u7684\u5217\u8868\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u4ee3\u7801\u7b80\u6d01\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5927\u91cf\u91cd\u590d\u5143\u7d20\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001\u4f7f\u7528append()\u65b9\u6cd5\u52a8\u6001\u521b\u5efa\u5217\u8868<\/p>\n<\/p>\n<p><p>\u6709\u65f6\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u9010\u6b65\u6dfb\u52a0\u5143\u7d20\u5230\u5217\u8868\u4e2d\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u7684append()\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_list = []<\/p>\n<p>for i in range(10):<\/p>\n<p>    my_list.append(i)<\/p>\n<p>print(my_list)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u5faa\u73af\u548cappend()\u65b9\u6cd5\u9010\u6b65\u6dfb\u52a0\u5143\u7d20\u5230\u5217\u8868\u4e2d\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u7075\u6d3b\uff0c\u9002\u7528\u4e8e\u9700\u8981\u52a8\u6001\u751f\u6210\u5217\u8868\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><p>\u516d\u3001\u4ece\u6587\u4ef6\u6216\u5176\u4ed6\u6570\u636e\u6e90\u521b\u5efa\u5217\u8868<\/p>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u4ece\u6587\u4ef6\u6216\u5176\u4ed6\u6570\u636e\u6e90\u521b\u5efa\u5217\u8868\u3002\u53ef\u4ee5\u901a\u8fc7\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u5e76\u4f7f\u7528split()\u65b9\u6cd5\u5c06\u5176\u8f6c\u6362\u4e3a\u5217\u8868\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">with open(&#39;data.txt&#39;, &#39;r&#39;) as file:<\/p>\n<p>    data = file.read()<\/p>\n<p>    my_list = data.split()<\/p>\n<p>print(my_list)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4ece\u6587\u4ef6data.txt\u4e2d\u8bfb\u53d6\u5185\u5bb9\uff0c\u5e76\u4f7f\u7528split()\u65b9\u6cd5\u5c06\u5176\u8f6c\u6362\u4e3a\u5217\u8868\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u53ef\u4ee5\u5904\u7406\u590d\u6742\u7684\u6570\u636e\u6e90\uff0c\u9002\u7528\u4e8e\u4ece\u6587\u4ef6\u6216\u7f51\u7edc\u8bfb\u53d6\u6570\u636e\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><p>\u4e03\u3001\u4ece\u5176\u4ed6\u5217\u8868\u521b\u5efa\u5b50\u5217\u8868<\/p>\n<\/p>\n<p><p>\u6709\u65f6\uff0c\u6211\u4eec\u9700\u8981\u4ece\u73b0\u6709\u5217\u8868\u4e2d\u521b\u5efa\u4e00\u4e2a\u5b50\u5217\u8868\u3002\u53ef\u4ee5\u4f7f\u7528\u5207\u7247\u64cd\u4f5c\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_list = [1, 2, 3, 4, 5]<\/p>\n<p>sub_list = my_list[1:4]<\/p>\n<p>print(sub_list)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4ecemy_list\u4e2d\u63d0\u53d6\u4e86\u4e00\u4e2a\u5b50\u5217\u8868sub_list\uff0c\u5305\u542b\u5143\u7d202\u30013\u548c4\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u7075\u6d3b\uff0c\u9002\u7528\u4e8e\u9700\u8981\u4ece\u73b0\u6709\u5217\u8868\u4e2d\u63d0\u53d6\u90e8\u5206\u6570\u636e\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><p>\u603b\u7ed3<\/p>\n<\/p>\n<p><p>Python\u4e2d\u521b\u5efa\u5217\u8868\u7684\u65b9\u6cd5\u6709\u5f88\u591a\uff0c\u5e38\u89c1\u7684\u5305\u62ec\u4f7f\u7528\u65b9\u62ec\u53f7\u3001\u5185\u7f6e\u7684list()\u51fd\u6570\u3001\u5217\u8868\u63a8\u5bfc\u5f0f\u3001\u91cd\u590d\u64cd\u4f5c\u3001append()\u65b9\u6cd5\u3001\u4ece\u6587\u4ef6\u6216\u5176\u4ed6\u6570\u636e\u6e90\u521b\u5efa\u3001\u4ee5\u53ca\u4ece\u5176\u4ed6\u5217\u8868\u521b\u5efa\u5b50\u5217\u8868\u3002\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6548\u7387\u3002<strong>\u65e0\u8bba\u662f\u7b80\u5355\u7684\u9759\u6001\u5217\u8868\uff0c\u8fd8\u662f\u590d\u6742\u7684\u52a8\u6001\u5217\u8868\uff0cPython\u90fd\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5de5\u5177\u6765\u6ee1\u8db3\u6211\u4eec\u7684\u9700\u6c42<\/strong>\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u8d4b\u503c\u8bed\u53e5\u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868\u3002\u4f7f\u7528\u7a7a\u65b9\u62ec\u53f7<code>[]<\/code>\u6216<code>list()<\/code>\u51fd\u6570\u5747\u53ef\u5b9e\u73b0\u3002\u793a\u4f8b\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">empty_list = []  # \u4f7f\u7528\u65b9\u62ec\u53f7\nor\nempty_list = list()  # \u4f7f\u7528list()\u51fd\u6570\n<\/code><\/pre>\n<p>\u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u5c06\u521b\u5efa\u4e00\u4e2a\u6ca1\u6709\u4efb\u4f55\u5143\u7d20\u7684\u7a7a\u5217\u8868\u3002<\/p>\n<p><strong>\u53ef\u4ee5\u5728Python\u5217\u8868\u4e2d\u5b58\u50a8\u54ea\u4e9b\u7c7b\u578b\u7684\u6570\u636e\uff1f<\/strong><br \/>Python\u7684\u5217\u8868\u975e\u5e38\u7075\u6d3b\uff0c\u53ef\u4ee5\u5b58\u50a8\u591a\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u5305\u62ec\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5b57\u7b26\u4e32\u3001\u5e03\u5c14\u503c\uff0c\u751a\u81f3\u5176\u4ed6\u5217\u8868\u3002\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-python\">mixed_list = [1, 2.5, &#39;Hello&#39;, True, [1, 2, 3]]\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u7075\u6d3b\u6027\u4f7f\u5f97\u5217\u8868\u6210\u4e3a\u4e00\u4e2a\u5f3a\u5927\u7684\u6570\u636e\u7ed3\u6784\uff0c\u9002\u5408\u5404\u79cd\u5e94\u7528\u573a\u666f\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u5411\u5217\u8868\u6dfb\u52a0\u5143\u7d20\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>append()<\/code>\u65b9\u6cd5\u5411\u5217\u8868\u7684\u672b\u5c3e\u6dfb\u52a0\u5143\u7d20\u3002\u53ef\u4ee5\u901a\u8fc7<code>insert()<\/code>\u65b9\u6cd5\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\uff0c\u6216\u8005\u4f7f\u7528<code>extend()<\/code>\u65b9\u6cd5\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-python\">my_list = []\nmy_list.append(1)  # \u6dfb\u52a0\u5143\u7d201\nmy_list.insert(0, 0)  # \u5728\u7d22\u5f150\u4f4d\u7f6e\u63d2\u5165\u5143\u7d200\nmy_list.extend([2, 3, 4])  # \u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\n<\/code><\/pre>\n<p>\u8fd9\u4e9b\u65b9\u6cd5\u4f7f\u5f97\u5bf9\u5217\u8868\u7684\u64cd\u4f5c\u66f4\u52a0\u7075\u6d3b\u548c\u65b9\u4fbf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u521b\u5efa\u4e00\u4e2a\u5217\u8868\u7684\u65b9\u5f0f\u6709\u5f88\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u65b9\u62ec\u53f7\u3001\u4f7f\u7528\u5185\u7f6e\u7684list()\u51fd\u6570\u3001\u901a\u8fc7\u5217\u8868\u63a8\u5bfc\u5f0f\u7b49\u3002\u8fd9 [&hellip;]","protected":false},"author":3,"featured_media":1082031,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1082023"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1082023"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1082023\/revisions"}],"predecessor-version":[{"id":1082032,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1082023\/revisions\/1082032"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1082031"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1082023"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1082023"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1082023"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}