{"id":176367,"date":"2023-08-02T15:52:20","date_gmt":"2023-08-02T07:52:20","guid":{"rendered":"http:\/\/www.idc.net\/help\/176367\/"},"modified":"2023-08-02T15:52:20","modified_gmt":"2023-08-02T07:52:20","slug":"%e5%90%8e%e6%b5%aa%e4%ba%91python%e6%95%99%e7%a8%8b%ef%bc%9apython-chainmap%e7%9a%84%e7%ae%a1%e7%90%86%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/176367\/","title":{"rendered":"\u540e\u6d6a\u4e91Python\u6559\u7a0b\uff1apython ChainMap\u7684\u7ba1\u7406\u7528\u6cd5"},"content":{"rendered":"

<\/p>\n

\u8bf4\u660e\uff1a<\/strong><\/p>\n

1\u3001ChainMap\u7684\u4e3b\u8981\u7528\u4f8b\u662f\u63d0\u4f9b\u4e00\u79cd\u6709\u6548\u7684\u65b9\u6cd5\u6765\u7ba1\u7406\u591a\u4e2a\u8303\u56f4\u6216\u4e0a\u4e0b\u6587\uff0c\u5e76\u5904\u7406\u91cd\u590d\u952e\u7684\u8bbf\u95ee\u4f18\u5148\u7ea7\u3002<\/p>\n

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\u5b9e\u4f8b<\/strong><\/p>\n

>>> import builtins\n \n>>> # Shadow input with a global name\n>>> input = 42\n \n>>> pylookup = ChainMap(locals(), globals(), vars(builtins))\n \n>>> # Retrieve input from the global namespace\n>>> pylookup[\"input\"]\n42\n \n>>> # Remove input from the global namespace\n>>> del globals()[\"input\"]\n \n>>> # Retrieve input from the builtins namespace\n>>> pylookup[\"input\"]\n<built-in function input><\/pre>\n
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\u672c\u6587\u6559\u7a0b\u64cd\u4f5c\u73af\u5883\uff1awindows7\u7cfb\u7edf\u3001Python 3.9.1\uff0cDELL G3\u7535\u8111\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"
\u8bf4\u660e\uff1a 1\u3001ChainMap\u7684\u4e3b\u8981\u7528\u4f8b\u662f\u63d0\u4f9b\u4e00\u79cd\u6709\u6548\u7684\u65b9\u6cd5\u6765\u7ba1\u7406\u591a\u4e2a\u8303\u56f4\u6216\u4e0a\u4e0b\u6587\uff0c\u5e76\u5904\u7406\u91cd\u590d\u952e\u7684\u8bbf\u95ee\u4f18\u5148\u7ea7\u3002  […]<\/p>\n","protected":false},"author":1,"featured_media":176368,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[182397],"tags":[],"class_list":["post-176367","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\/176367","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=176367"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/176367\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media\/176368"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=176367"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=176367"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=176367"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}