{"id":991564,"date":"2024-12-27T08:29:51","date_gmt":"2024-12-27T00:29:51","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/991564.html"},"modified":"2024-12-27T08:29:53","modified_gmt":"2024-12-27T00:29:53","slug":"python%e5%a6%82%e4%bd%95%e5%bc%b9%e5%87%ba%e4%bf%9d%e7%95%99%e5%ad%97","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/991564.html","title":{"rendered":"python\u5982\u4f55\u5f39\u51fa\u4fdd\u7559\u5b57"},"content":{"rendered":"

\"python\u5982\u4f55\u5f39\u51fa\u4fdd\u7559\u5b57\"<\/p>\n

Python\u4e2d\u6ca1\u6709\u76f4\u63a5\u7684\u65b9\u6cd5\u6765\u5f39\u51fa\u4fdd\u7559\u5b57\uff0c\u56e0\u4e3a\u4fdd\u7559\u5b57\u662fPython\u8bed\u8a00\u7684\u57fa\u672c\u7ec4\u6210\u90e8\u5206\uff0c\u4e0d\u80fd\u88ab\u4fee\u6539\u6216\u5220\u9664\u3002\u4f46\u662f\uff0c\u53ef\u4ee5\u901a\u8fc7\u5176\u4ed6\u65b9\u5f0f\u5904\u7406\u4fdd\u7559\u5b57\u7684\u95ee\u9898\uff0c\u4f8b\u5982\u4f7f\u7528\u4e0d\u540c\u7684\u53d8\u91cf\u540d\u3001\u4e86\u89e3\u4fdd\u7559\u5b57\u5217\u8868\u3001\u5728\u7279\u5b9a\u60c5\u51b5\u4e0b\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u6765\u5904\u7406\u547d\u540d\u51b2\u7a81\u3002<\/strong> \u5176\u4e2d\uff0c\u4f7f\u7528\u4e0d\u540c\u7684\u53d8\u91cf\u540d<\/strong>\u662f\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u3002\u6bd4\u5982\u5728\u7f16\u5199\u4ee3\u7801\u65f6\uff0c\u5c3d\u91cf\u907f\u514d\u5c06\u53d8\u91cf\u540d\u4e0ePython\u7684\u4fdd\u7559\u5b57\u76f8\u540c\uff0c\u4ee5\u51cf\u5c11\u51b2\u7a81\u7684\u53ef\u80fd\u6027\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u63a2\u8ba8\u8fd9\u4e00\u70b9\u3002<\/p>\n<\/p>\n

Python\u4e2d\u7684\u4fdd\u7559\u5b57\u662f\u6307\u90a3\u4e9b\u5728\u8bed\u8a00\u4e2d\u6709\u7279\u6b8a\u542b\u4e49\u7684\u8bcd\u6c47\uff0c\u4e0d\u80fd\u7528\u4f5c\u53d8\u91cf\u540d\u3001\u51fd\u6570\u540d\u7b49\u3002\u4e86\u89e3\u8fd9\u4e9b\u4fdd\u7559\u5b57\u5bf9\u4e8e\u907f\u514d\u4ee3\u7801\u9519\u8bef\u548c\u547d\u540d\u51b2\u7a81\u975e\u5e38\u91cd\u8981\u3002Python\u63d0\u4f9b\u4e86\u4e00\u7ec4\u5173\u952e\u5b57\uff0c\u8fd9\u4e9b\u5173\u952e\u5b57\u5728\u4efb\u4f55\u60c5\u51b5\u4e0b\u90fd\u4e0d\u80fd\u7528\u4f5c\u6807\u8bc6\u7b26\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5bfc\u5165keyword<\/code>\u6a21\u5757\u6765\u83b7\u53d6\u5f53\u524dPython\u7248\u672c\u7684\u6240\u6709\u4fdd\u7559\u5b57\u5217\u8868\u3002<\/p>\n<\/p>\n

import keyword<\/p>\n
print(keyword.kwlist)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd0\u884c\u4e0a\u9762\u7684\u4ee3\u7801\u4f1a\u8f93\u51fa\u4e00\u7ec4\u4fdd\u7559\u5b57\uff0c\u4f8b\u5982\uff1aFalse, None, True, and, as, assert, async, awAI<\/a>t, break, class, continue, def, del, elif, else, except, finally, for, from, global, if, import, in, is, lambda, nonlocal, not, or, pass, raise, return, try, while, with, yield<\/code>\u7b49\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u4f7f\u7528\u4e0d\u540c\u7684\u53d8\u91cf\u540d<\/h3>\n<\/p>\n
Python\u7684\u4fdd\u7559\u5b57\u4e0d\u80fd\u7528\u4f5c\u6807\u8bc6\u7b26\uff0c\u56e0\u6b64\u5728\u547d\u540d\u53d8\u91cf\u65f6\u5e94\u907f\u514d\u4f7f\u7528\u8fd9\u4e9b\u4fdd\u7559\u5b57\u3002\u4f8b\u5982\uff0c\u4e0d\u80fd\u5c06class<\/code>\u7528\u4f5c\u53d8\u91cf\u540d\uff0c\u56e0\u4e3a\u5b83\u662f\u5b9a\u4e49\u7c7b\u7684\u5173\u952e\u5b57\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u51b2\u7a81\uff0c\u53ef\u4ee5\u5728\u547d\u540d\u65f6\u4f7f\u7528\u524d\u7f00\u3001\u540e\u7f00\u6216\u5176\u4ed6\u5f62\u5f0f\u6765\u533a\u522b\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60f3\u4f7f\u7528class<\/code>\u4f5c\u4e3a\u53d8\u91cf\u540d\uff0c\u53ef\u4ee5\u6539\u4e3aclass_name<\/code>\u6216_class<\/code>\u3002<\/p>\n<\/p>\n
\u8fd9\u6837\u505a\u4e0d\u4ec5\u80fd\u907f\u514d\u51b2\u7a81\uff0c\u8fd8\u80fd\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u901a\u8fc7\u4fdd\u6301\u4e00\u81f4\u7684\u547d\u540d\u7ea6\u5b9a\uff0c\u56e2\u961f\u6210\u5458\u53ef\u4ee5\u66f4\u8f7b\u677e\u5730\u7406\u89e3\u4ee3\u7801\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4e86\u89e3\u4fdd\u7559\u5b57\u5217\u8868<\/h3>\n<\/p>\n
\u4e86\u89e3Python\u7684\u4fdd\u7559\u5b57\u5217\u8868\u662f\u907f\u514d\u547d\u540d\u51b2\u7a81\u7684\u5173\u952e\u3002\u5f00\u53d1\u4eba\u5458\u5e94\u719f\u6089\u8fd9\u4e9b\u4fdd\u7559\u5b57\uff0c\u5e76\u5728\u7f16\u5199\u4ee3\u7801\u65f6\u907f\u514d\u4f7f\u7528\u5b83\u4eec\u3002Python\u7684\u4fdd\u7559\u5b57\u5217\u8868\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u5728\u4e0d\u540c\u7248\u672c\u4e2d\u53ef\u80fd\u4f1a\u6709\u6240\u53d8\u5316\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u68c0\u67e5\u4fdd\u7559\u5b57\u5217\u8868\u4ee5\u786e\u4fdd\u4ee3\u7801\u7684\u517c\u5bb9\u6027\u662f\u4e2a\u597d\u4e60\u60ef\u3002<\/p>\n<\/p>\n
\u4ee5\u4e0b\u662f\u5e38\u89c1Python\u7248\u672c\u4e2d\u4fdd\u7559\u5b57\u7684\u8be6\u7ec6\u8bf4\u660e\uff1a<\/p>\n<\/p>\n
    \n
  • Python 2.x<\/strong>\uff1aPython 2.x\u7684\u4fdd\u7559\u5b57\u5305\u62ecprint<\/code>\u3001exec<\/code>\u7b49\uff0c\u8fd9\u4e9b\u5728Python 3.x\u4e2d\u5df2\u88ab\u79fb\u9664\u6216\u66ff\u4ee3\u3002\u5f00\u53d1\u4eba\u5458\u5728\u8fc1\u79fb\u4ee3\u7801\u65f6\u9700\u8981\u7279\u522b\u6ce8\u610f\u8fd9\u4e9b\u53d8\u5316\u3002<\/li>\n
  • Python 3.x<\/strong>\uff1aPython 3.x\u4e2d\u5f15\u5165\u4e86\u4e00\u4e9b\u65b0\u7684\u4fdd\u7559\u5b57\uff0c\u5982async<\/code>\u548cawait<\/code>\uff0c\u7528\u4e8e\u652f\u6301\u5f02\u6b65\u7f16\u7a0b\u3002\u8fd9\u4e9b\u5173\u952e\u5b57\u5728Python 2.x\u4e2d\u4e0d\u5b58\u5728\u3002<\/li>\n<\/ul>\n
    \u4e09\u3001\u5728\u7279\u5b9a\u60c5\u51b5\u4e0b\u4f7f\u7528\u5185\u7f6e\u51fd\u6570<\/h3>\n<\/p>\n
    \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u53d8\u91cf\u540d\u4e0e\u4fdd\u7559\u5b57\u51b2\u7a81\u7684\u60c5\u51b5\u3002\u6b64\u65f6\uff0c\u53ef\u4ee5\u5229\u7528Python\u7684\u5185\u7f6e\u51fd\u6570\u6765\u5904\u7406\u8fd9\u4e9b\u51b2\u7a81\u3002\u4f8b\u5982\uff0c\u4f7f\u7528getattr<\/code>\u548csetattr<\/code>\u51fd\u6570\u6765\u8bbf\u95ee\u548c\u8bbe\u7f6e\u5bf9\u8c61\u7684\u5c5e\u6027\uff0c\u5373\u4f7f\u5c5e\u6027\u540d\u662f\u4fdd\u7559\u5b57\u3002<\/p>\n<\/p>\n
    class MyClass:<\/p>\n
        def __init__(self):<\/p>\n
            self.def_ = "This is a definition"<\/p>\n
    obj = MyClass()<\/p>\n
    \u4f7f\u7528getattr\u8bbf\u95ee\u5c5e\u6027<\/strong><\/h2>\n
    definition = getattr(obj, 'def_')<\/p>\n
    \u4f7f\u7528setattr\u8bbe\u7f6e\u5c5e\u6027<\/strong><\/h2>\n
    setattr(obj, 'def_', "New definition")<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5728\u4e0d\u6539\u53d8\u73b0\u6709\u4ee3\u7801\u7ed3\u6784\u7684\u60c5\u51b5\u4e0b\uff0c\u7075\u6d3b\u5904\u7406\u4fdd\u7559\u5b57\u51b2\u7a81\u7684\u95ee\u9898\u3002<\/p>\n<\/p>\n
    \u56db\u3001\u547d\u540d\u7ea6\u5b9a\u548c\u4ee3\u7801\u98ce\u683c<\/h3>\n<\/p>\n
    \u9075\u5faa\u826f\u597d\u7684\u547d\u540d\u7ea6\u5b9a\u548c\u4ee3\u7801\u98ce\u683c\u6709\u52a9\u4e8e\u907f\u514d\u4fdd\u7559\u5b57\u51b2\u7a81\u3002\u4f7f\u7528\u6709\u610f\u4e49\u7684\u53d8\u91cf\u540d\u3001\u9075\u5faaPEP 8\u98ce\u683c\u6307\u5357\u3001\u4fdd\u6301\u4ee3\u7801\u7684\u4e00\u81f4\u6027\u548c\u53ef\u8bfb\u6027\u662f\u7f16\u5199\u9ad8\u8d28\u91cfPython\u4ee3\u7801\u7684\u57fa\u7840\u3002<\/p>\n<\/p>\n
      \n
    • \u4f7f\u7528\u6709\u610f\u4e49\u7684\u53d8\u91cf\u540d<\/strong>\uff1a\u4f7f\u7528\u63cf\u8ff0\u6027\u53d8\u91cf\u540d\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u6613\u8bfb\u3002\u4f8b\u5982\uff0c\u4f7f\u7528count<\/code>\u800c\u4e0d\u662fc<\/code>\uff0cuser_name<\/code>\u800c\u4e0d\u662fun<\/code>\u3002<\/li>\n
    • \u9075\u5faaPEP 8\u98ce\u683c\u6307\u5357<\/strong>\uff1aPEP 8\u662fPython\u7684\u98ce\u683c\u6307\u5357\uff0c\u63d0\u4f9b\u4e86\u7f16\u5199\u6e05\u6670\u3001\u53ef\u8bfb\u4ee3\u7801\u7684\u5efa\u8bae\u3002\u9075\u5faaPEP 8\u6709\u52a9\u4e8e\u63d0\u9ad8\u4ee3\u7801\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n
      \u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u539f\u5219\uff0c\u53ef\u4ee5\u5728\u7f16\u5199Python\u4ee3\u7801\u65f6\u6709\u6548\u907f\u514d\u4fdd\u7559\u5b57\u51b2\u7a81\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u7684\u8d28\u91cf\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n
      \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
       \u5982\u4f55\u67e5\u770bPython\u4e2d\u7684\u4fdd\u7559\u5b57\u5217\u8868\uff1f<\/strong>
      Python\u7684\u4fdd\u7559\u5b57\u662f\u7f16\u7a0b\u4e2d\u4e0d\u53ef\u7528\u7684\u5173\u952e\u5b57\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u6a21\u5757keyword<\/code>\u6765\u67e5\u770b\u4fdd\u7559\u5b57\u5217\u8868\u3002\u8fd0\u884c\u4ee5\u4e0b\u4ee3\u7801\u5373\u53ef\u83b7\u53d6\uff1a  <\/p>\n
      import keyword\nprint(keyword.kwlist)\n<\/code><\/pre>\n
      \u8fd9\u5c06\u8fd4\u56de\u6240\u6709\u7684\u4fdd\u7559\u5b57\uff0c\u5305\u62ecif<\/code>\u3001else<\/code>\u3001while<\/code>\u7b49\uff0c\u5e2e\u52a9\u4f60\u907f\u514d\u5728\u7f16\u5199\u4ee3\u7801\u65f6\u4f7f\u7528\u8fd9\u4e9b\u5173\u952e\u5b57\u4f5c\u4e3a\u53d8\u91cf\u540d\u3002<\/p>\n
      \u4f7f\u7528\u4fdd\u7559\u5b57\u4f1a\u5bfc\u81f4\u4ec0\u4e48\u95ee\u9898\uff1f<\/strong>
      \u5728Python\u4e2d\uff0c\u4f7f\u7528\u4fdd\u7559\u5b57\u4f5c\u4e3a\u53d8\u91cf\u540d\u4f1a\u5f15\u53d1\u8bed\u6cd5\u9519\u8bef\u6216\u610f\u5916\u884c\u4e3a\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u8bd5\u56fe\u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cf\u540d\u4e3aclass<\/code>\uff0cPython\u4f1a\u629b\u51fa\u4e00\u4e2aSyntaxError<\/code>\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5e76\u9075\u5b88\u4fdd\u7559\u5b57\u7684\u89c4\u5b9a\u662f\u7f16\u5199\u6709\u6548Python\u4ee3\u7801\u7684\u91cd\u8981\u90e8\u5206\u3002<\/p>\n
      \u5982\u4f55\u5904\u7406Python\u4e2d\u7684\u4fdd\u7559\u5b57\u51b2\u7a81\uff1f<\/strong>
      \u5982\u679c\u4f60\u5fc5\u987b\u4f7f\u7528\u4e0e\u4fdd\u7559\u5b57\u76f8\u540c\u7684\u540d\u79f0\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u4e0b\u5212\u7ebf\u6216\u5176\u4ed6\u5b57\u7b26\u6765\u521b\u5efa\u4e00\u4e2a\u6709\u6548\u7684\u53d8\u91cf\u540d\u3002\u4f8b\u5982\uff0c\u5c06class<\/code>\u6539\u4e3amy_class<\/code>\u6216class_name<\/code>\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u907f\u514d\u51b2\u7a81\uff0c\u540c\u65f6\u4fdd\u6301\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u4e2d\u6ca1\u6709\u76f4\u63a5\u7684\u65b9\u6cd5\u6765\u5f39\u51fa\u4fdd\u7559\u5b57\uff0c\u56e0\u4e3a\u4fdd\u7559\u5b57\u662fPython\u8bed\u8a00\u7684\u57fa\u672c\u7ec4\u6210\u90e8\u5206\uff0c\u4e0d\u80fd\u88ab\u4fee\u6539\u6216\u5220\u9664\u3002\u4f46\u662f\uff0c […]","protected":false},"author":3,"featured_media":991573,"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\/991564"}],"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=991564"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/991564\/revisions"}],"predecessor-version":[{"id":991575,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/991564\/revisions\/991575"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/991573"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=991564"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=991564"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=991564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}