{"id":204755,"date":"2025-05-29T09:20:16","date_gmt":"2025-05-29T01:20:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204755\/"},"modified":"2025-05-29T09:20:16","modified_gmt":"2025-05-29T01:20:16","slug":"python-%e9%93%be%e5%bc%8f%e8%b5%8b%e5%80%bc%e4%b8%ba%e4%bd%95%e4%bc%9a%e4%ba%a7%e7%94%9f%e6%84%8f%e6%96%99%e4%b9%8b%e5%a4%96%e7%9a%84%e7%bb%93%e6%9e%9c%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204755\/","title":{"rendered":"Python \u94fe\u5f0f\u8d4b\u503c\u4e3a\u4f55\u4f1a\u4ea7\u751f\u610f\u6599\u4e4b\u5916\u7684\u7ed3\u679c\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Python \u94fe\u5f0f\u8d4b\u503c\u4e3a\u4f55\u4f1a\u4ea7\u751f\u610f\u6599\u4e4b\u5916\u7684\u7ed3\u679c\uff1f<\/h1>\n<p>\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u90fd\u6253\u5f00\u8fd9\u7bc7\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\uff0c\u5b66\u4e0b\u53bb\u5427\uff01\u672c\u6587\u4e3b\u8981\u4f1a\u7ed9\u5927\u5bb6\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5927\u5bb6\u5bf9\u672c\u6587\u6709\u597d\u7684\u5efa\u8bae\u6216\u8005\u770b\u5230\u6709\u4e0d\u8db3\u4e4b\u5904\uff0c\u975e\u5e38\u6b22\u8fce\u5927\u5bb6\u79ef\u6781\u63d0\u51fa\uff01\u5728\u540e\u7eed\u6587\u7ae0\u6211\u4f1a\u7ee7\u7eed\u66f4\u65b0<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241115\/17316473906736d79e61e15.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>python \u94fe\u5f0f\u8d4b\u503c\u7684\u5965\u79d8<\/strong><\/p>\n<p>python \u4e2d\u7684\u94fe\u5f0f\u8d4b\u503c\u662f\u4e00\u4e2a\u4ee4\u4eba\u56f0\u60d1\u7684\u6982\u5ff5\uff0c\u5b83\u53ef\u80fd\u5bfc\u81f4\u610f\u60f3\u4e0d\u5230\u7684\u7ed3\u679c\u3002<\/p>\n<p>\u6211\u4eec\u9996\u5148\u6765\u770b\u4e00\u4e2a\u7b80\u5355\u7684\u60c5\u51b5\uff1a<\/p>\n<pre>a, b, c = 1, 2, 3\nprint(a, b, c)<\/pre>\n<p>\u8f93\u51fa\u5c06\u662f\uff1a(1, 2, 3)\u3002\u8fd9\u662f\u56e0\u4e3a python \u4ece\u53f3\u5230\u5de6\u9010\u4e2a\u8d4b\u503c\u3002<\/p>\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u6765\u770b\u770b\u4e00\u4e2a\u66f4\u590d\u6742\u7684\u4f8b\u5b50\uff1a<\/p>\n<pre>a, b, c = b, c, a = c, b, a = 1, 2, 3\nprint(a, b, c)<\/pre>\n<p>\u4ee4\u4eba\u60ca\u8bb6\u7684\u662f\uff0c\u8fd9\u5c06\u8f93\u51fa\uff1a(3, 2, 1) \u800c\u4e0d\u662f (1, 2, 3)\u3002<\/p>\n<p>\u4e3a\u4e86\u7406\u89e3\u5176\u539f\u56e0\uff0c\u6211\u4eec\u53ef\u4ee5\u67e5\u770b\u5b57\u8282\u7801\uff1a<\/p>\n<pre>...\nDUP_TOP\nUNPACK_SEQUENCE          3\nSTORE_NAME               1 (b)\nSTORE_NAME               2 (c)\nSTORE_NAME               0 (a)\nDUP_TOP\nUNPACK_SEQUENCE          3\nSTORE_NAME               1 (b)\nSTORE_NAME               2 (c)\nSTORE_NAME               0 (a)\n...<\/pre>\n<p>\u4e00\u5f00\u59cb\uff0cpython \u5c06\u5143\u7ec4 (1, 2, 3) \u590d\u5236\u5230\u6808\u9876\u3002\u7136\u540e\u5b83\u4ece\u5de6\u5230\u53f3\u4f9d\u6b21\u89e3\u5305\u8fd9\u4e2a\u5143\u7ec4\u5e76\u8d4b\u503c\u3002<\/p>\n<ul>\n<li>a = 1\uff1a\u6b64\u65f6\u6808\u9876\u4e3a\uff1a(1, 2, 3)<\/li>\n<li>b = 2\uff1a\u6b64\u65f6\u6808\u9876\u4e3a\uff1a(1, 2)<\/li>\n<li>c = 3\uff1a\u6b64\u65f6\u6808\u9876\u4e3a\uff1a(1)<\/li>\n<\/ul>\n<p>\u4e4b\u540e\uff0c\u5143\u7ec4 (1, 2, 3) \u518d\u6b21\u88ab\u590d\u5236\u5230\u6808\u9876\u5e76\u91cd\u590d\u4e0a\u8ff0\u8fc7\u7a0b\u3002<\/p>\n<ul>\n<li>b = 1\uff1a\u6b64\u65f6\u6808\u9876\u4e3a\uff1a(1, 2)<\/li>\n<li>c = 2\uff1a\u6b64\u65f6\u6808\u9876\u4e3a\uff1a(1)<\/li>\n<li>a = 3\uff1a\u6b64\u65f6\u6808\u9876\u4e3a\uff1a(1)<\/li>\n<\/ul>\n<p>\u6700\u540e\uff0c(1, 2, 3) \u88ab\u89e3\u5305\u5230\u6808\u4e0a\uff0c\u8986\u76d6\u4e86\u4e4b\u524d\u7684\u6808\u5185\u5bb9\u3002<\/p>\n<ul>\n<li>c = 3\uff1a\u6b64\u65f6\u6808\u9876\u4e3a\uff1a(3)<\/li>\n<li>b = 2\uff1a\u6b64\u65f6\u6808\u9876\u4e3a\uff1a(2)<\/li>\n<li>a = 1\uff1a\u6b64\u65f6\u6808\u9876\u4e3a\uff1a(1)<\/li>\n<\/ul>\n<p>\u56e0\u6b64\uff0cpython \u5728\u6700\u7ec8\u8d4b\u503c\u65f6\u5c06\u6808\u4e0a\u7684\u503c\u8d4b\u503c\u7ed9\u4e86 a\u3001b \u548c c\uff0c\u5bfc\u81f4\u4e86 unexpected \u7684\u8f93\u51fa\u3002<\/p>\n<p>\u8fd9\u4e5f\u89e3\u91ca\u4e86\u4e3a\u4ec0\u4e48 python \u4e2d\u94fe\u5f0f\u8d4b\u503c\u4ece\u5de6\u5230\u53f3\u5904\u7406\uff0c\u800c\u4e0d\u662f\u4ece\u53f3\u5230\u5de6\u3002\u56e0\u4e3a python \u662f\u4ece\u5de6\u5230\u53f3\u8bc4\u4f30\u8868\u8fbe\u5f0f\u7684\uff0c\u56e0\u6b64\u5b83\u4e5f\u4ece\u5de6\u5230\u53f3\u6267\u884c\u8d4b\u503c\u64cd\u4f5c\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300aPython \u94fe\u5f0f\u8d4b\u503c\u4e3a\u4f55\u4f1a\u4ea7\u751f\u610f\u6599\u4e4b\u5916\u7684\u7ed3\u679c\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python \u94fe\u5f0f\u8d4b\u503c\u4e3a\u4f55\u4f1a\u4ea7\u751f&#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-204755","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204755","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=204755"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204755\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204755"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204755"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204755"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}