{"id":170922,"date":"2023-07-31T20:27:52","date_gmt":"2023-07-31T12:27:52","guid":{"rendered":"http:\/\/www.idc.net\/help\/170922\/"},"modified":"2023-07-31T20:27:52","modified_gmt":"2023-07-31T12:27:52","slug":"%e5%90%8e%e6%b5%aa%e4%ba%91python%e6%95%99%e7%a8%8b%ef%bc%9apython%e4%b8%bb%e6%96%b9%e6%b3%95%e6%80%8e%e4%b9%88%e5%86%99","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/170922\/","title":{"rendered":"\u540e\u6d6a\u4e91Python\u6559\u7a0b\uff1apython\u4e3b\u65b9\u6cd5\u600e\u4e48\u5199"},"content":{"rendered":"
\n

\u5728python\u4e2d\u5199\u4e3b\u65b9\u6cd5\u7684\u65b9\u6cd5\uff1a\u9996\u5148\u4f7f\u7528\u3010def\u3011\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u7136\u540e\u8f93\u5165\u201cif __name__ == '__main__'\u201d\u547d\u4ee4\uff0c\u5373\u5b8c\u6210\u4e86\u4e3b\u65b9\u6cd5\u7684\u521b\u5efa\uff0c\u53ef\u5728\u8be5\u547d\u4ee4\u4e0b\u6253\u5370\u51fa\u51fd\u6570\u503c\u3002<\/p>\n<\/blockquote>\n

<\/p>\n

\u521a\u5165\u95e8\u7684python\u7684\u540c\u5b66\u53ef\u80fd\u5c1a\u672a\u63a5\u89e6\u8fc7python\u4e3b\u51fd\u6570\u7684\u7f16\u5199\uff0c\u5176\u5b9epython\u6dfb\u52a0\u4e3b\u51fd\u6570\u5165\u53e3\u53ef\u4ee5\u4fdd\u8bc1\u6a21\u5757\u6267\u884c\u7684\u72ec\u7acb\u6027\u53c8\u4e0d\u5f71\u54cd\u6a21\u5757\u88ab\u5176\u4ed6\u6a21\u5757\u5f15\u7528\uff08import\uff09\u3002<\/p>\n

\u4e3b\u51fd\u6570\u7684\u7f16\u5199\uff1a<\/span><\/strong><\/p>\n

def main():\n    pass\nif __name__ == '__main__':\n    main()<\/pre>\n
__name_\u5c5e\u4e8epython\u4e2d\u7684\u4e00\u4e2a\u5185\u7f6e\u5c5e\u6027\uff0c\u901a\u5e38\u6765\u8bf4\u4e00\u4e2apy\u6587\u4ef6\u53ef\u4ee5\u76f4\u63a5\u6267\u884c\u548c\u88ab\u5176\u4ed6\u6a21\u5757\u5bfc\u5165\uff0c\u7a0b\u5e8f\u7b2c\u4e00\u6b21\u5bfc\u5165\u6307\u5b9a\u6587\u4ef6\u65f6\uff0c\u4f1a\u6267\u884c\u4e09\u4e2a\u6b65\u9aa4\uff1a<\/p>\n
        a\u3001\u627e\u5230\u6a21\u5757\u6587\u4ef6<\/p>\n
        b\u3001\u7f16\u8bd1\u6210\u4f4d\u7801\uff08\u9700\u8981\u65f6\uff09<\/p>\n
\u3000\u3000 c\u3001\u6267\u884c\u6a21\u5757\u7684\u4ee3\u7801\u6765\u521b\u5efa\u5176\u6240\u5b9a\u4e49\u7684\u5bf9\u8c61<\/p>\n
\u5f53\u76f4\u63a5\u6267\u884c\u8be5py\u6587\u4ef6\u65f6\uff0c__name__\u4e3a'__main__'\uff0c\u5f53\u4f5c\u4e3a\u6a21\u5757\u88ab\u5f15\u7528\u65f6\u4e3a\u5f15\u7528\u8be5\u6a21\u5757\u7684\u6587\u4ef6\u540d\u3002\u53ef\u4ee5\u6709\u6548\u533a\u5206\u8be5\u6587\u4ef6\u6267\u884c\u65b9\u5f0f\u3002<\/p>\n
\u7b80\u5355\u793a\u4f8b\uff1a<\/p>\n
a = 3\n \ndef change():\n    global a\n    a = 10\n    return a\n \nprint a, change(), a\n \nif __name__ == \"__main__\":\n    print a, change(), a<\/pre>\n
\u6267\u884c\u7ed3\u679c\u662f\uff1a<\/p>\n
3 10 10\n10 10 10<\/pre>\n
\u4ece\u4e0a\u9762\u7684\u7ed3\u679c\u53ef\u4ee5\u770b\u51fa\uff0c\u5728\u6267\u884cif\u540e\u9762\u7684\u8bed\u53e5\u4e4b\u524d\uff0cprint a, change(), a\u5df2\u7ecf\u6267\u884c\u8fc7\u4e86\uff0c\u4e5f\u5c31\u662f\u8bf4\u7a0b\u5e8f\u6267\u884c\u5e76\u4e0d\u662f\u4ecemain\u5f00\u59cb\u7684\u3002<\/p>\n
\n
\u63a8\u8350\u8bfe\u7a0b\uff1aPython\u57fa\u7840\u89c6\u9891\u6559\u7a0b(python\u8bed\u8a00\u57fa\u7840)<\/p>\n<\/blockquote>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728python\u4e2d\u5199\u4e3b\u65b9\u6cd5\u7684\u65b9\u6cd5\uff1a\u9996\u5148\u4f7f\u7528\u3010def\u3011\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u7136\u540e\u8f93\u5165\u201cif __name__ == '__ […]<\/p>\n","protected":false},"author":1,"featured_media":170923,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[182397],"tags":[],"class_list":["post-170922","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/170922","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=170922"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/170922\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media\/170923"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=170922"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=170922"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=170922"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}