{"id":204230,"date":"2025-05-29T12:08:38","date_gmt":"2025-05-29T04:08:38","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204230\/"},"modified":"2025-05-29T12:08:38","modified_gmt":"2025-05-29T04:08:38","slug":"python-%e4%b8%ad-array-%e5%92%8c-array-none-%e7%9a%84%e5%8c%ba%e5%88%ab%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204230\/","title":{"rendered":"Python \u4e2d array = [] \u548c array = None \u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Python \u4e2d array = [] \u548c array = None \u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300aPython \u4e2d array = [] \u548c array = None \u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241101\/17304649686724ccc8e2c07.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Python\u4e2d\u7684None<\/strong><\/p>\n<p>Python\u4e2d\uff0carray = [] \u548c array = None\u8fd9\u4e24\u79cd\u8d4b\u503c\u65b9\u5f0f\u6709\u7740\u672c\u8d28\u4e0a\u7684\u533a\u522b\u3002<\/p>\n<p><strong>array = []<\/strong><\/p>\n<p>\u8fd9\u79cd\u8d4b\u503c\u65b9\u5f0f\u4f1a\u521b\u5efa\u4e00\u4e2a\u7a7a\u7684\u5217\u8868\uff0c\u5373array\u662f\u4e00\u4e2a\u6307\u5411\u7a7a\u5217\u8868\u7684\u5f15\u7528\u3002\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u7684\u65b9\u6cd5\u5bf9\u5176\u8fdb\u884c\u64cd\u4f5c\uff0c\u4f8b\u5982append\u3001insert\u7b49\u3002<\/p>\n<p><strong>array = None<\/strong><\/p>\n<p>\u8fd9\u79cd\u8d4b\u503c\u65b9\u5f0f\u4f1a\u5c06array\u8bbe\u7f6e\u4e3aNoneType\u5bf9\u8c61\uff0c\u8868\u793a\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684\u503c\u3002\u5b83\u4e0d\u662f\u4e00\u4e2a\u5217\u8868\uff0c\u4e5f\u65e0\u6cd5\u4f7f\u7528\u5217\u8868\u7684\u65b9\u6cd5\u5bf9\u5176\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<p>\u6240\u4ee5\uff0carray = []\u8868\u793a\u4e00\u4e2a\u7a7a\u5217\u8868\uff0c\u800carray = None\u8868\u793a\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684\u503c\u6216\u7a7a\u6307\u9488\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aPython \u4e2d array = [] \u548c array = None \u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python \u4e2d array =&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-204230","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204230","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=204230"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204230\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204230"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204230"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204230"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}