{"id":967827,"date":"2024-12-27T05:00:55","date_gmt":"2024-12-26T21:00:55","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/967827.html"},"modified":"2024-12-27T05:00:58","modified_gmt":"2024-12-26T21:00:58","slug":"%e5%a6%82%e4%bd%95%e6%b8%85%e7%a9%bapython%e7%9a%84%e5%88%97%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/967827.html","title":{"rendered":"\u5982\u4f55\u6e05\u7a7apython\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\/24182921\/08c9bd78-aea9-4160-b340-7173ff49f607.webp\" alt=\"\u5982\u4f55\u6e05\u7a7apython\u7684\u5217\u8868\" \/><\/p>\n<p><p> <strong>\u8981\u6e05\u7a7aPython\u7684\u5217\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528<code>clear()<\/code>\u65b9\u6cd5\u3001\u5c06\u5217\u8868\u91cd\u65b0\u8d4b\u503c\u4e3a\u4e00\u4e2a\u7a7a\u5217\u8868\u3001\u4f7f\u7528\u5207\u7247\u8d4b\u503c\u64cd\u4f5c\u3001\u4ee5\u53ca\u4f7f\u7528<code>del<\/code>\u8bed\u53e5\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u9009\u62e9\u9002\u5408\u81ea\u5df1\u4ee3\u7801\u7ed3\u6784\u548c\u903b\u8f91\u7684\u65b9\u6cd5\u662f\u5173\u952e\u3002<\/strong>\u5176\u4e2d\uff0c\u4f7f\u7528<code>clear()<\/code>\u65b9\u6cd5\u662f\u4e00\u79cd\u6700\u4e3a\u76f4\u89c2\u548c\u76f4\u63a5\u7684\u65b9\u5f0f\uff0c\u56e0\u4e3a\u5b83\u662f\u4e13\u95e8\u7528\u4e8e\u6e05\u7a7a\u5217\u8868\u7684\u65b9\u6cd5\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u4ee3\u7801\u7b80\u6d01\uff0c\u800c\u4e14\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff0c\u56e0\u4e3a\u5b83\u6e05\u6670\u5730\u8868\u8fbe\u4e86\u5f00\u53d1\u8005\u7684\u610f\u56fe\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u53ca\u5176\u4f7f\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u4f7f\u7528<code>clear()<\/code>\u65b9\u6cd5<\/p>\n<\/p>\n<p><p><code>clear()<\/code>\u65b9\u6cd5\u662fPython\u63d0\u4f9b\u7684\u5185\u7f6e\u65b9\u6cd5\uff0c\u7528\u4e8e\u6e05\u7a7a\u5217\u8868\u3002\u5728Python 3.3\u53ca\u4e4b\u540e\u7684\u7248\u672c\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>clear()<\/code>\u65b9\u6cd5\uff0c\u5b83\u80fd\u591f\u76f4\u63a5\u6e05\u7a7a\u5217\u8868\u7684\u6240\u6709\u5143\u7d20\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u8bed\u4e49\u6e05\u6670\uff0c\u80fd\u591f\u660e\u663e\u5730\u4f53\u73b0\u51fa\u5bf9\u5217\u8868\u6e05\u7a7a\u7684\u610f\u56fe\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_list = [1, 2, 3, 4, 5]<\/p>\n<p>my_list.clear()<\/p>\n<p>print(my_list)  # \u8f93\u51fa\uff1a[]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f7f\u7528<code>clear()<\/code>\u65b9\u6cd5\u7684\u4f18\u70b9\u5728\u4e8e\u4ee3\u7801\u7b80\u6d01\u660e\u4e86\uff0c\u5e76\u4e14\u5177\u6709\u826f\u597d\u7684\u53ef\u8bfb\u6027\u3002\u5bf9\u4e8e\u9605\u8bfb\u4ee3\u7801\u7684\u4eba\u6765\u8bf4\uff0c\u80fd\u591f\u4e00\u773c\u770b\u51fa\u5217\u8868\u88ab\u6e05\u7a7a\u4e86\u3002\u7136\u800c\uff0c\u8fd9\u79cd\u65b9\u6cd5\u8981\u6c42Python\u7248\u672c\u57283.3\u53ca\u4ee5\u4e0a\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u5c06\u5217\u8868\u91cd\u65b0\u8d4b\u503c\u4e3a\u4e00\u4e2a\u7a7a\u5217\u8868<\/p>\n<\/p>\n<p><p>\u53e6\u4e00\u79cd\u6e05\u7a7a\u5217\u8868\u7684\u65b9\u6cd5\u662f\u5c06\u5217\u8868\u91cd\u65b0\u8d4b\u503c\u4e3a\u4e00\u4e2a\u7a7a\u5217\u8868\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u76f4\u63a5\uff0c\u9002\u5408\u7528\u4e8e\u4e0d\u518d\u9700\u8981\u4fdd\u7559\u539f\u5217\u8868\u5f15\u7528\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_list = [1, 2, 3, 4, 5]<\/p>\n<p>my_list = []<\/p>\n<p>print(my_list)  # \u8f93\u51fa\uff1a[]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u91cd\u65b0\u8d4b\u503c\u4e3a\u4e00\u4e2a\u7a7a\u5217\u8868\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u5bf9\u8c61\u3002\u5982\u679c\u6709\u5176\u4ed6\u53d8\u91cf\u5f15\u7528\u4e86\u539f\u5217\u8868\uff0c\u8fd9\u4e9b\u53d8\u91cf\u4ecd\u7136\u4f1a\u6307\u5411\u65e7\u7684\u5217\u8868\uff0c\u800c\u4e0d\u662f\u65b0\u7684\u7a7a\u5217\u8868\u3002\u56e0\u6b64\uff0c\u8fd9\u79cd\u65b9\u6cd5\u5728\u591a\u5f15\u7528\u573a\u666f\u4e0b\u9700\u8981\u8c28\u614e\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001\u4f7f\u7528\u5207\u7247\u8d4b\u503c\u64cd\u4f5c<\/p>\n<\/p>\n<p><p>\u5207\u7247\u8d4b\u503c\u64cd\u4f5c\u662f\u4e00\u79cd\u8f83\u4e3a\u7075\u6d3b\u7684\u6e05\u7a7a\u5217\u8868\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u5c06\u5217\u8868\u7684\u6240\u6709\u5143\u7d20\u5207\u7247\uff0c\u5e76\u8d4b\u503c\u4e3a\u7a7a\u5217\u8868\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e0d\u6539\u53d8\u5217\u8868\u5bf9\u8c61\u7684\u6e05\u7a7a\u64cd\u4f5c\u3002\u8fd9\u5728\u67d0\u4e9b\u9700\u8981\u4fdd\u7559\u539f\u5217\u8868\u5bf9\u8c61\u7684\u60c5\u51b5\u4e0b\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_list = [1, 2, 3, 4, 5]<\/p>\n<p>my_list[:] = []<\/p>\n<p>print(my_list)  # \u8f93\u51fa\uff1a[]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u7684\u597d\u5904\u5728\u4e8e\uff0c\u5b83\u4e0d\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u5bf9\u8c61\uff0c\u800c\u662f\u76f4\u63a5\u5728\u539f\u6709\u5217\u8868\u5bf9\u8c61\u4e0a\u8fdb\u884c\u64cd\u4f5c\u3002\u56e0\u6b64\uff0c\u5982\u679c\u6709\u5176\u4ed6\u5f15\u7528\u6307\u5411\u8be5\u5217\u8868\uff0c\u8fd9\u4e9b\u5f15\u7528\u5728\u6e05\u7a7a\u540e\u4ecd\u7136\u6709\u6548\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u4f7f\u7528<code>del<\/code>\u8bed\u53e5<\/p>\n<\/p>\n<p><p><code>del<\/code>\u8bed\u53e5\u53ef\u4ee5\u7528\u4e8e\u5220\u9664\u5217\u8868\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u4ece\u800c\u5b9e\u73b0\u6e05\u7a7a\u5217\u8868\u7684\u6548\u679c\u3002\u8fd9\u79cd\u65b9\u6cd5\u901a\u8fc7\u5220\u9664\u5217\u8868\u7684\u5207\u7247\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">my_list = [1, 2, 3, 4, 5]<\/p>\n<p>del my_list[:]<\/p>\n<p>print(my_list)  # \u8f93\u51fa\uff1a[]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><code>del<\/code>\u8bed\u53e5\u4e0e\u5207\u7247\u8d4b\u503c\u64cd\u4f5c\u7c7b\u4f3c\uff0c\u4e5f\u4e0d\u4f1a\u521b\u5efa\u65b0\u7684\u5217\u8868\u5bf9\u8c61\uff0c\u800c\u662f\u5bf9\u539f\u5217\u8868\u8fdb\u884c\u64cd\u4f5c\u3002\u8fd9\u610f\u5473\u7740\u5728\u591a\u5f15\u7528\u573a\u666f\u4e0b\uff0c\u6240\u6709\u5f15\u7528\u7684\u5217\u8868\u5bf9\u8c61\u90fd\u88ab\u6e05\u7a7a\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5<\/p>\n<\/p>\n<p><p>\u5728\u9009\u62e9\u6e05\u7a7a\u5217\u8868\u7684\u65b9\u6cd5\u65f6\uff0c\u5e94\u8be5\u8003\u8651\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u6267\u884c\u6548\u7387\u4ee5\u53ca\u591a\u5f15\u7528\u573a\u666f\u4e0b\u7684\u884c\u4e3a\u3002\u5bf9\u4e8ePython 3.3\u53ca\u4ee5\u4e0a\u7684\u7248\u672c\uff0c<code>clear()<\/code>\u65b9\u6cd5\u662f\u9996\u9009\uff0c\u56e0\u4e3a\u5b83\u8bed\u4e49\u660e\u786e\u4e14\u7b80\u5355\u6613\u61c2\u3002\u5bf9\u4e8e\u9700\u8981\u4fdd\u7559\u539f\u5217\u8868\u5bf9\u8c61\u7684\u573a\u666f\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u5207\u7247\u8d4b\u503c\u64cd\u4f5c\u6216<code>del<\/code>\u8bed\u53e5\u3002\u800c\u5728\u4e0d\u9700\u8981\u4fdd\u7559\u539f\u5217\u8868\u5f15\u7528\u7684\u60c5\u51b5\u4e0b\uff0c\u5c06\u5217\u8868\u91cd\u65b0\u8d4b\u503c\u4e3a\u4e00\u4e2a\u7a7a\u5217\u8868\u4e5f\u662f\u4e00\u79cd\u53ef\u884c\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><p>\u603b\u7ed3\u6765\u8bf4\uff0c\u6e05\u7a7aPython\u5217\u8868\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u4e0d\u4ec5\u80fd\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\uff0c\u8fd8\u80fd\u907f\u514d\u6f5c\u5728\u7684\u5f15\u7528\u95ee\u9898\u3002\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u548c\u4ee3\u7801\u73af\u5883\uff0c\u7075\u6d3b\u9009\u62e9\u6700\u4f18\u7684\u6e05\u7a7a\u5217\u8868\u65b9\u6848\u662f\u6bcf\u4e2a\u5f00\u53d1\u8005\u5e94\u5177\u5907\u7684\u6280\u80fd\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u6709\u6548\u5730\u6e05\u7a7a\u4e00\u4e2aPython\u5217\u8868\uff1f<\/strong><br \/>\u6e05\u7a7aPython\u5217\u8868\u6709\u51e0\u79cd\u7b80\u5355\u7684\u65b9\u6cd5\u3002\u6700\u5e38\u89c1\u7684\u65b9\u5f0f\u662f\u4f7f\u7528<code>clear()<\/code>\u65b9\u6cd5\uff0c\u8fd9\u5c06\u5220\u9664\u5217\u8868\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002\u4f8b\u5982\uff0c<code>my_list.clear()<\/code>\u5c06\u4f7f<code>my_list<\/code>\u53d8\u4e3a\u7a7a\u5217\u8868\u3002\u53e6\u5916\uff0c\u53ef\u4ee5\u4f7f\u7528\u5207\u7247\u8d4b\u503c\u7684\u65b9\u6cd5\uff0c\u4f8b\u5982<code>my_list[:] = []<\/code>\uff0c\u8fd9\u4e5f\u80fd\u8fbe\u5230\u76f8\u540c\u7684\u6548\u679c\u3002\u518d\u8005\uff0c\u53ef\u4ee5\u901a\u8fc7\u91cd\u65b0\u8d4b\u503c\u7684\u65b9\u5f0f\uff0c\u4f8b\u5982<code>my_list = []<\/code>\uff0c\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u7a7a\u5217\u8868\u6765\u66ff\u4ee3\u539f\u6765\u7684\u5217\u8868\u3002<\/p>\n<p><strong>\u6e05\u7a7a\u5217\u8868\u540e\uff0c\u539f\u6709\u7684\u5f15\u7528\u4f1a\u53d7\u5f71\u54cd\u5417\uff1f<\/strong><br \/>\u5f53\u4f60\u4f7f\u7528<code>clear()<\/code>\u65b9\u6cd5\u6216\u5207\u7247\u8d4b\u503c\u6e05\u7a7a\u5217\u8868\u65f6\uff0c\u539f\u5217\u8868\u5bf9\u8c61\u4ecd\u7136\u5b58\u5728\uff0c\u53ea\u662f\u5185\u5bb9\u88ab\u6e05\u7a7a\u3002\u8fd9\u610f\u5473\u7740\u5982\u679c\u5176\u4ed6\u53d8\u91cf\u5f15\u7528\u8fd9\u4e2a\u5217\u8868\uff0c\u5b83\u4eec\u4e5f\u4f1a\u770b\u5230\u5217\u8868\u88ab\u6e05\u7a7a\u7684\u6548\u679c\u3002\u76f8\u53cd\uff0c\u5982\u679c\u4f7f\u7528\u8d4b\u503c<code>my_list = []<\/code>\uff0c\u5219\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u7a7a\u5217\u8868\uff0c\u539f\u6765\u7684\u5217\u8868\u5bf9\u8c61\u4e0d\u4f1a\u53d7\u5230\u5f71\u54cd\uff0c\u5176\u4ed6\u5f15\u7528\u4ecd\u7136\u6307\u5411\u539f\u5217\u8868\u3002<\/p>\n<p><strong>\u6e05\u7a7a\u5217\u8868\u4f1a\u5f71\u54cd\u6027\u80fd\u5417\uff1f<\/strong><br \/>\u6e05\u7a7a\u5217\u8868\u7684\u6027\u80fd\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u53d6\u51b3\u4e8e\u5217\u8868\u7684\u5927\u5c0f\u548c\u4f7f\u7528\u7684\u65b9\u6cd5\u3002\u4f7f\u7528<code>clear()<\/code>\u65b9\u6cd5\u901a\u5e38\u88ab\u8ba4\u4e3a\u662f\u6700\u6709\u6548\u7684\uff0c\u56e0\u4e3a\u5b83\u76f4\u63a5\u64cd\u4f5c\u73b0\u6709\u5217\u8868\u5bf9\u8c61\uff0c\u800c\u4e0d\u662f\u521b\u5efa\u65b0\u7684\u5217\u8868\u3002\u5bf9\u4e8e\u5927\u578b\u5217\u8868\uff0c\u9891\u7e41\u5730\u91cd\u8d4b\u503c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u989d\u5916\u7684\u5185\u5b58\u5206\u914d\u548c\u5783\u573e\u56de\u6536\uff0c\u56e0\u6b64\u5efa\u8bae\u5728\u9700\u8981\u6e05\u7a7a\u5217\u8868\u65f6\u4f7f\u7528<code>clear()<\/code>\u65b9\u6cd5\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u8981\u6e05\u7a7aPython\u7684\u5217\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528clear()\u65b9\u6cd5\u3001\u5c06\u5217\u8868\u91cd\u65b0\u8d4b\u503c\u4e3a\u4e00\u4e2a\u7a7a\u5217\u8868\u3001\u4f7f\u7528\u5207\u7247\u8d4b [&hellip;]","protected":false},"author":3,"featured_media":967837,"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\/967827"}],"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=967827"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/967827\/revisions"}],"predecessor-version":[{"id":967839,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/967827\/revisions\/967839"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/967837"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=967827"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=967827"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=967827"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}