{"id":1118709,"date":"2025-01-08T18:37:50","date_gmt":"2025-01-08T10:37:50","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1118709.html"},"modified":"2025-01-08T18:37:53","modified_gmt":"2025-01-08T10:37:53","slug":"python%e5%a6%82%e4%bd%95%e5%88%9b%e5%bb%ba%e5%88%9d%e5%a7%8b%e5%80%bc%e7%9a%84%e5%88%97%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1118709.html","title":{"rendered":"python\u5982\u4f55\u521b\u5efa\u521d\u59cb\u503c\u7684\u5217\u8868"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25082108\/698d5f8e-4a2d-4f17-9678-5469aec21c73.webp\" alt=\"python\u5982\u4f55\u521b\u5efa\u521d\u59cb\u503c\u7684\u5217\u8868\" \/><\/p>\n<p><p> <strong>\u8981\u521b\u5efa\u4e00\u4e2a\u5177\u6709\u521d\u59cb\u503c\u7684\u5217\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u5217\u8868\u63a8\u5bfc\u5f0f\u3001<code>*<\/code> \u8fd0\u7b97\u7b26\u3001<code>range<\/code> \u51fd\u6570\u4ee5\u53ca\u5185\u7f6e\u51fd\u6570 <code>list<\/code>\u3002\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u65b9\u62ec\u53f7\u548c\u9017\u53f7\u5206\u9694\u7684\u521d\u59cb\u503c\u5217\u8868\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u751f\u6210\u5217\u8868\u3001\u4f7f\u7528\u4e58\u6cd5\u8fd0\u7b97\u7b26\u521b\u5efa\u5177\u6709\u76f8\u540c\u521d\u59cb\u503c\u7684\u5217\u8868\u3002<\/strong><\/p>\n<\/p>\n<p><p>\u4e00\u79cd\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\uff0c\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u7b80\u6d01\uff0c\u8fd8\u80fd\u751f\u6210\u66f4\u590d\u6742\u7684\u5217\u8868\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u4e00\u4e2a\u5305\u542b10\u4e2a\u5143\u7d20\u7684\u5217\u8868\uff0c\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f0\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>[0 for _ in range(10)]<\/code>\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u597d\u5904\u662f\u7075\u6d3b\u6027\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u751f\u6210\u4e0d\u540c\u7684\u521d\u59cb\u503c\u5217\u8868\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528\u65b9\u62ec\u53f7\u521b\u5efa\u521d\u59cb\u503c\u5217\u8868<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528\u65b9\u62ec\u53f7\u521b\u5efa\u521d\u59cb\u503c\u5217\u8868\u662f\u6700\u7b80\u5355\u76f4\u63a5\u7684\u65b9\u6cd5\u3002\u53ef\u4ee5\u624b\u52a8\u6307\u5b9a\u6bcf\u4e2a\u5143\u7d20\u7684\u521d\u59cb\u503c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u521b\u5efa\u4e00\u4e2a\u5305\u542b\u521d\u59cb\u503c\u7684\u5217\u8868<\/p>\n<p>list1 = [1, 2, 3, 4, 5]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u624b\u52a8\u6307\u5b9a\u4e86\u5217\u8868 <code>list1<\/code> \u7684\u521d\u59cb\u503c\u4e3a <code>[1, 2, 3, 4, 5]<\/code>\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f<\/h3>\n<\/p>\n<p><p>\u5217\u8868\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u4f18\u96c5\u7684\u751f\u6210\u5217\u8868\u7684\u65b9\u6cd5\uff0c\u7279\u522b\u9002\u5408\u5728\u9700\u8981\u751f\u6210\u5177\u6709\u7279\u5b9a\u6a21\u5f0f\u6216\u6761\u4ef6\u7684\u5217\u8868\u65f6\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u521b\u5efa\u4e00\u4e2a\u5305\u542b10\u4e2a0\u7684\u5217\u8868<\/p>\n<p>list2 = [0 for _ in range(10)]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u91cc\uff0c\u6211\u4eec\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b10\u4e2a0\u7684\u5217\u8868\u3002\u5217\u8868\u63a8\u5bfc\u5f0f\u7684\u8bed\u6cd5\u662f <code>[\u8868\u8fbe\u5f0f for \u53d8\u91cf in \u5e8f\u5217]<\/code>\uff0c\u5176\u4e2d\u8868\u8fbe\u5f0f\u662f\u751f\u6210\u5217\u8868\u5143\u7d20\u7684\u89c4\u5219\uff0c\u53d8\u91cf\u662f\u904d\u5386\u5e8f\u5217\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u7684\u5360\u4f4d\u7b26\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528\u4e58\u6cd5\u8fd0\u7b97\u7b26<\/h3>\n<\/p>\n<p><p>\u4e58\u6cd5\u8fd0\u7b97\u7b26\u53ef\u4ee5\u7528\u6765\u521b\u5efa\u5177\u6709\u76f8\u540c\u521d\u59cb\u503c\u7684\u5217\u8868\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u5408\u5728\u9700\u8981\u521b\u5efa\u5927\u91cf\u76f8\u540c\u5143\u7d20\u7684\u5217\u8868\u65f6\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u521b\u5efa\u4e00\u4e2a\u5305\u542b10\u4e2a0\u7684\u5217\u8868<\/p>\n<p>list3 = [0] * 10<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 <code>[0] * 10<\/code> \u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b10\u4e2a0\u7684\u5217\u8868\u3002\u4e58\u6cd5\u8fd0\u7b97\u7b26 <code>*<\/code> \u4f1a\u5c06\u5217\u8868 <code>[0]<\/code> \u91cd\u590d10\u6b21\uff0c\u4ece\u800c\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u4f7f\u7528 <code>range<\/code> \u51fd\u6570<\/h3>\n<\/p>\n<p><p><code>range<\/code> \u51fd\u6570\u53ef\u4ee5\u751f\u6210\u4e00\u4e2a\u5305\u542b\u4e00\u7cfb\u5217\u6574\u6570\u7684\u5217\u8868\uff0c\u7279\u522b\u9002\u5408\u5728\u9700\u8981\u751f\u6210\u8fde\u7eed\u6574\u6570\u5217\u8868\u65f6\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u521b\u5efa\u4e00\u4e2a\u5305\u542b0\u52309\u7684\u5217\u8868<\/p>\n<p>list4 = list(range(10))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 <code>range(10)<\/code> \u751f\u6210\u4e86\u4e00\u4e2a\u5305\u542b\u4ece0\u52309\u7684\u6574\u6570\u7684\u5217\u8868\uff0c\u7136\u540e\u4f7f\u7528 <code>list<\/code> \u51fd\u6570\u5c06\u5176\u8f6c\u6362\u4e3a\u5217\u8868\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570 <code>list<\/code><\/h3>\n<\/p>\n<p><p>\u5185\u7f6e\u51fd\u6570 <code>list<\/code> \u53ef\u4ee5\u5c06\u5176\u4ed6\u5e8f\u5217\uff08\u5982\u5143\u7ec4\u3001\u5b57\u7b26\u4e32\u3001\u96c6\u5408\u7b49\uff09\u8f6c\u6362\u4e3a\u5217\u8868\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u521b\u5efa\u4e00\u4e2a\u5305\u542b\u5b57\u7b26\u4e32\u4e2d\u6bcf\u4e2a\u5b57\u7b26\u7684\u5217\u8868<\/p>\n<p>list5 = list(&quot;hello&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 <code>list(&quot;hello&quot;)<\/code> \u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b\u5b57\u7b26\u4e32 <code>&quot;hello&quot;<\/code> \u4e2d\u6bcf\u4e2a\u5b57\u7b26\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u4f7f\u7528 <code>numpy<\/code> \u6a21\u5757<\/h3>\n<\/p>\n<p><p>\u5982\u679c\u9700\u8981\u521b\u5efa\u5305\u542b\u5927\u91cf\u6570\u503c\u7684\u5217\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>numpy<\/code> \u6a21\u5757\u3002<code>numpy<\/code> \u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6570\u503c\u8ba1\u7b97\u5e93\uff0c\u80fd\u591f\u9ad8\u6548\u5730\u5904\u7406\u5927\u578b\u6570\u7ec4\u548c\u77e9\u9635\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import numpy as np<\/p>\n<h2><strong>\u521b\u5efa\u4e00\u4e2a\u5305\u542b10\u4e2a0\u7684\u5217\u8868<\/strong><\/h2>\n<p>list6 = np.zeros(10).tolist()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 <code>numpy<\/code> \u7684 <code>zeros<\/code> \u51fd\u6570\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b10\u4e2a0\u7684\u6570\u7ec4\uff0c\u7136\u540e\u4f7f\u7528 <code>tolist<\/code> \u65b9\u6cd5\u5c06\u5176\u8f6c\u6362\u4e3a\u5217\u8868\u3002<\/p>\n<\/p>\n<p><h3>\u4e03\u3001\u4f7f\u7528 <code>itertools<\/code> \u6a21\u5757<\/h3>\n<\/p>\n<p><p><code>itertools<\/code> \u6a21\u5757\u63d0\u4f9b\u4e86\u4e00\u4e9b\u751f\u6210\u5668\u51fd\u6570\uff0c\u53ef\u4ee5\u751f\u6210\u5404\u79cd\u6709\u89c4\u5f8b\u7684\u5e8f\u5217\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import itertools<\/p>\n<h2><strong>\u521b\u5efa\u4e00\u4e2a\u91cd\u590d0\u4e09\u6b21\u7684\u5217\u8868<\/strong><\/h2>\n<p>list7 = list(itertools.repeat(0, 3))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 <code>itertools<\/code> \u7684 <code>repeat<\/code> \u51fd\u6570\u521b\u5efa\u4e86\u4e00\u4e2a\u91cd\u590d0\u4e09\u6b21\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n<p><h3>\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u521b\u5efa\u521d\u59cb\u503c\u5217\u8868\u7684\u65b9\u6cd5\u6709\u5f88\u591a\uff0c\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u9002\u7528\u573a\u666f\u3002\u4f7f\u7528\u65b9\u62ec\u53f7\u624b\u52a8\u6307\u5b9a\u521d\u59cb\u503c\u9002\u5408\u7b80\u5355\u5217\u8868\uff0c\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u9002\u5408\u751f\u6210\u590d\u6742\u6a21\u5f0f\u5217\u8868\uff0c\u4f7f\u7528\u4e58\u6cd5\u8fd0\u7b97\u7b26\u9002\u5408\u521b\u5efa\u5927\u91cf\u76f8\u540c\u5143\u7d20\u5217\u8868\uff0c\u4f7f\u7528 <code>range<\/code> \u51fd\u6570\u9002\u5408\u751f\u6210\u8fde\u7eed\u6574\u6570\u5217\u8868\uff0c\u4f7f\u7528\u5185\u7f6e\u51fd\u6570 <code>list<\/code> \u9002\u5408\u5c06\u5176\u4ed6\u5e8f\u5217\u8f6c\u6362\u4e3a\u5217\u8868\uff0c\u4f7f\u7528 <code>numpy<\/code> \u6a21\u5757\u9002\u5408\u5904\u7406\u5927\u578b\u6570\u503c\u6570\u7ec4\uff0c\u4f7f\u7528 <code>itertools<\/code> \u6a21\u5757\u9002\u5408\u751f\u6210\u6709\u89c4\u5f8b\u7684\u5e8f\u5217\u3002<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u638c\u63e1\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u6700\u9002\u5408\u7684\u65b9\u5f0f\u521b\u5efa\u521d\u59cb\u503c\u5217\u8868\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u7684\u7075\u6d3b\u6027\u548c\u53ef\u8bfb\u6027\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\u5305\u542b\u7279\u5b9a\u521d\u59cb\u503c\u7684\u5217\u8868\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u7279\u5b9a\u521d\u59cb\u503c\u7684\u5217\u8868\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u4e58\u6cd5\u8fd0\u7b97\u7b26\u548c\u5217\u8868\u63a8\u5bfc\u5f0f\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e58\u6cd5\u8fd0\u7b97\u7b26\u53ef\u4ee5\u5feb\u901f\u751f\u6210\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u76f8\u540c\u5143\u7d20\u7684\u5217\u8868\uff1a<code>initial_list = [0] * 10<\/code>\u5c06\u521b\u5efa\u4e00\u4e2a\u5305\u542b10\u4e2a0\u7684\u5217\u8868\u3002\u5217\u8868\u63a8\u5bfc\u5f0f\u4e5f\u53ef\u4ee5\u63d0\u4f9b\u66f4\u7075\u6d3b\u7684\u521d\u59cb\u503c\u8bbe\u7f6e\uff0c\u5982\uff1a<code>initial_list = [x for x in range(5)]<\/code>\u5c06\u751f\u6210\u4e00\u4e2a\u5305\u542b0\u52304\u7684\u5217\u8868\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u5c06\u5217\u8868\u7684\u521d\u59cb\u503c\u8bbe\u7f6e\u4e3a\u4e0d\u540c\u7684\u5143\u7d20\uff1f<\/strong><br \/>\u5982\u679c\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u4e0d\u540c\u521d\u59cb\u503c\u7684\u5217\u8868\uff0c\u53ef\u4ee5\u76f4\u63a5\u5728\u5217\u8868\u5b9a\u4e49\u65f6\u5217\u51fa\u8fd9\u4e9b\u503c\u3002\u4f8b\u5982\uff0c<code>initial_list = [1, 2, 3, 4, 5]<\/code>\u5c06\u521b\u5efa\u4e00\u4e2a\u5305\u542b1\u52305\u7684\u5217\u8868\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\u7ed3\u5408\u6761\u4ef6\u6765\u751f\u6210\u66f4\u590d\u6742\u7684\u521d\u59cb\u503c\uff0c\u4f8b\u5982\uff1a<code>initial_list = [x**2 for x in range(5)]<\/code>\u5c06\u751f\u6210\u4e00\u4e2a\u5305\u542b0\u523016\u7684\u5e73\u65b9\u6570\u7684\u5217\u8868\u3002<\/p>\n<p><strong>\u5217\u8868\u7684\u521d\u59cb\u503c\u662f\u5426\u53ef\u4ee5\u901a\u8fc7\u51fd\u6570\u52a8\u6001\u751f\u6210\uff1f<\/strong><br \/>\u662f\u7684\uff0c\u5217\u8868\u7684\u521d\u59cb\u503c\u53ef\u4ee5\u901a\u8fc7\u51fd\u6570\u52a8\u6001\u751f\u6210\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u751f\u6210\u9700\u8981\u7684\u521d\u59cb\u503c\uff0c\u7136\u540e\u5728\u521b\u5efa\u5217\u8868\u65f6\u8c03\u7528\u8be5\u51fd\u6570\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">def generate_values(n):\n    return [i * 2 for i in range(n)]\n\ninitial_list = generate_values(5)  # \u751f\u6210 [0, 2, 4, 6, 8]\n<\/code><\/pre>\n<p>\u8fd9\u6837\uff0c\u60a8\u53ef\u4ee5\u6839\u636e\u9700\u8981\u52a8\u6001\u5730\u63a7\u5236\u5217\u8868\u7684\u521d\u59cb\u503c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u8981\u521b\u5efa\u4e00\u4e2a\u5177\u6709\u521d\u59cb\u503c\u7684\u5217\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u5217\u8868\u63a8\u5bfc\u5f0f\u3001* \u8fd0\u7b97\u7b26\u3001range \u51fd\u6570\u4ee5\u53ca\u5185\u7f6e\u51fd\u6570 lis [&hellip;]","protected":false},"author":3,"featured_media":1118717,"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\/1118709"}],"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=1118709"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1118709\/revisions"}],"predecessor-version":[{"id":1118718,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1118709\/revisions\/1118718"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1118717"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1118709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1118709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1118709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}