{"id":955842,"date":"2024-12-27T02:23:10","date_gmt":"2024-12-26T18:23:10","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/955842.html"},"modified":"2024-12-27T02:23:14","modified_gmt":"2024-12-26T18:23:14","slug":"python%e5%a6%82%e4%bd%95%e7%9c%8b%e5%87%bd%e6%95%b0%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/955842.html","title":{"rendered":"python\u5982\u4f55\u770b\u51fd\u6570\u7528\u6cd5"},"content":{"rendered":"

\"python\u5982\u4f55\u770b\u51fd\u6570\u7528\u6cd5\"<\/p>\n

\u8981\u67e5\u770bPython\u51fd\u6570\u7684\u7528\u6cd5\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a\u67e5\u9605\u5b98\u65b9\u6587\u6863\u3001\u4f7f\u7528\u5185\u7f6e\u7684help()\u51fd\u6570\u3001\u67e5\u770b\u6e90\u7801\u3001\u4f7f\u7528\u5728\u7ebf\u8d44\u6e90\u3002<\/strong>\u5176\u4e2d\uff0c\u4f7f\u7528\u5185\u7f6e\u7684help()\u51fd\u6570<\/strong>\u662f\u6700\u4e3a\u76f4\u63a5\u4fbf\u6377\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u8c03\u7528help()\u51fd\u6570\uff0c\u53ef\u4ee5\u5728Python\u89e3\u91ca\u5668\u4e2d\u76f4\u63a5\u67e5\u770b\u51fd\u6570\u7684\u6587\u6863\u5b57\u7b26\u4e32\uff08docstring\uff09\uff0c\u4ece\u800c\u4e86\u89e3\u51fd\u6570\u7684\u53c2\u6570\u3001\u8fd4\u56de\u503c\u4ee5\u53ca\u7528\u6cd5\u793a\u4f8b\u3002\u8fd9\u5bf9\u4e8e\u5feb\u901f\u67e5\u627e\u51fd\u6570\u7528\u6cd5\u975e\u5e38\u6709\u5e2e\u52a9\uff0c\u5c24\u5176\u662f\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u9700\u8981\u5feb\u901f\u786e\u8ba4\u51fd\u6570\u7684\u5177\u4f53\u529f\u80fd\u65f6\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u5b98\u65b9\u6587\u6863<\/p>\n<\/p>\n

Python\u7684\u5b98\u65b9\u6587\u6863\u662f\u4e86\u89e3\u5404\u79cd\u51fd\u6570\u548c\u5e93\u7684\u9996\u9009\u8d44\u6e90\u3002\u5b83\u63d0\u4f9b\u4e86\u8be6\u5c3d\u7684\u51fd\u6570\u63cf\u8ff0\u3001\u53c2\u6570\u8bf4\u660e\u3001\u8fd4\u56de\u503c\u4fe1\u606f\u4ee5\u53ca\u4f7f\u7528\u793a\u4f8b\u3002\u5b98\u65b9\u6587\u6863\u901a\u5e38\u662f\u6700\u65b0\u548c\u6700\u6743\u5a01\u7684\u4fe1\u606f\u6765\u6e90\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbf\u95eePython\u5b98\u65b9\u7f51\u7ad9\u6216\u7279\u5b9a\u5e93\u7684\u6587\u6863\u9875\u9762\u6765\u83b7\u53d6\u8fd9\u4e9b\u4fe1\u606f\u3002\u5bf9\u4e8e\u6807\u51c6\u5e93\u51fd\u6570\uff0c\u76f4\u63a5\u5728Python\u7684\u5b98\u65b9\u6587\u6863\u4e2d\u641c\u7d22\u5373\u53ef\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u4f7f\u7528\u5185\u7f6e\u7684help()\u51fd\u6570<\/p>\n<\/p>\n

Python\u63d0\u4f9b\u4e86\u4e00\u4e2a\u975e\u5e38\u65b9\u4fbf\u7684\u5185\u7f6e\u51fd\u6570help()\uff0c\u53ef\u4ee5\u7528\u6765\u67e5\u8be2\u51fd\u6570\u7684\u7528\u6cd5\u3002\u901a\u8fc7\u5728Python\u89e3\u91ca\u5668\u4e2d\u8f93\u5165help(function_name)<\/code>\uff0c\u4f60\u53ef\u4ee5\u770b\u5230\u51fd\u6570\u7684\u6587\u6863\u5b57\u7b26\u4e32\uff08docstring\uff09\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u5173\u4e8e\u51fd\u6570\u53c2\u6570\u3001\u8fd4\u56de\u503c\u548c\u7528\u6cd5\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

help(len)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u5c06\u8f93\u51fa\u5173\u4e8elen()<\/code>\u51fd\u6570\u7684\u8bf4\u660e\uff0c\u5305\u62ec\u5b83\u7684\u7528\u9014\u548c\u53c2\u6570\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u67e5\u770b\u6e90\u7801<\/p>\n<\/p>\n
\u5bf9\u4e8e\u5f00\u6e90\u7684Python\u5e93\uff0c\u53ef\u4ee5\u76f4\u63a5\u67e5\u770b\u5e93\u7684\u6e90\u7801\u6765\u4e86\u89e3\u51fd\u6570\u7684\u5b9e\u73b0\u548c\u7528\u6cd5\u3002\u8fd9\u5bf9\u4e8e\u7406\u89e3\u51fd\u6570\u7684\u5185\u90e8\u5de5\u4f5c\u539f\u7406\u975e\u5e38\u6709\u5e2e\u52a9\u3002\u5728\u6e90\u7801\u4e2d\uff0c\u51fd\u6570\u901a\u5e38\u9644\u6709\u8be6\u7ec6\u7684\u6ce8\u91ca\u548c\u6587\u6863\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e30\u5bcc\u7684\u4fe1\u606f\u3002\u901a\u8fc7\u9605\u8bfb\u6e90\u7801\uff0c\u8fd8\u53ef\u4ee5\u5b66\u4e60\u5230\u5f00\u53d1\u8005\u5728\u5b9e\u73b0\u529f\u80fd\u65f6\u7684\u601d\u8003\u8fc7\u7a0b\u548c\u6280\u5de7\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5728\u7ebf\u8d44\u6e90<\/p>\n<\/p>\n
\u9664\u4e86\u5b98\u65b9\u6587\u6863\uff0c\u4e92\u8054\u7f51\u4e5f\u662f\u4e00\u4e2a\u4e30\u5bcc\u7684\u8d44\u6e90\u5e93\u3002\u8bb8\u591a\u5f00\u53d1\u8005\u4f1a\u5728\u535a\u5ba2\u3001\u8bba\u575b\u3001\u95ee\u7b54\u7f51\u7ad9\uff08\u5982Stack Overflow\uff09\u4e0a\u5206\u4eab\u4ed6\u4eec\u5bf9\u67d0\u4e2a\u51fd\u6570\u7684\u7406\u89e3\u548c\u4f7f\u7528\u7ecf\u9a8c\u3002\u8fd9\u4e9b\u793e\u533a\u8d44\u6e90\u901a\u5e38\u4f1a\u63d0\u4f9b\u4e0d\u540c\u4e8e\u5b98\u65b9\u6587\u6863\u7684\u5b9e\u7528\u89c1\u89e3\u548c\u4f7f\u7528\u6280\u5de7\uff0c\u5c24\u5176\u662f\u89e3\u51b3\u5b9e\u9645\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528IDE\u6216\u7f16\u8f91\u5668\u7684\u529f\u80fd<\/p>\n<\/p>\n
\u73b0\u4ee3\u7684\u96c6\u6210\u5f00\u53d1\u73af\u5883\uff08IDE\uff09\u548c\u4e00\u4e9b\u9ad8\u7ea7\u6587\u672c\u7f16\u8f91\u5668\uff08\u5982PyCharm\u3001Visual Studio Code\uff09\u90fd\u63d0\u4f9b\u4e86\u67e5\u770b\u51fd\u6570\u7528\u6cd5\u7684\u529f\u80fd\u3002\u5f53\u4f60\u5728\u4ee3\u7801\u4e2d\u8f93\u5165\u4e00\u4e2a\u51fd\u6570\u540d\u65f6\uff0c\u8fd9\u4e9b\u5de5\u5177\u4f1a\u81ea\u52a8\u663e\u793a\u8be5\u51fd\u6570\u7684\u6587\u6863\u5b57\u7b26\u4e32\uff0c\u4ee5\u53ca\u53c2\u6570\u63d0\u793a\u548c\u7528\u6cd5\u793a\u4f8b\u3002\u8fd9\u4e9b\u529f\u80fd\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u5728\u7f16\u5199\u4ee3\u7801\u65f6\u5feb\u901f\u4e86\u89e3\u51fd\u6570\u7684\u7528\u6cd5\uff0c\u800c\u4e0d\u9700\u8981\u79bb\u5f00\u5f00\u53d1\u73af\u5883\u3002<\/p>\n<\/p>\n
\u516d\u3001\u793e\u533a\u548c\u8bba\u575b<\/p>\n<\/p>\n
\u53c2\u4e0ePython\u793e\u533a\u6216\u76f8\u5173\u7684\u8bba\u575b\u8ba8\u8bba\u4e5f\u53ef\u4ee5\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u51fd\u6570\u7684\u7528\u6cd5\u3002\u5728\u8fd9\u4e9b\u5e73\u53f0\u4e0a\uff0c\u4f60\u53ef\u4ee5\u63d0\u95ee\u5e76\u4ece\u7ecf\u9a8c\u4e30\u5bcc\u7684\u5f00\u53d1\u8005\u90a3\u91cc\u83b7\u5f97\u89e3\u7b54\u3002\u901a\u8fc7\u4e0e\u4ed6\u4eba\u7684\u4ea4\u6d41\uff0c\u5f80\u5f80\u80fd\u591f\u83b7\u5f97\u66f4\u6df1\u523b\u7684\u7406\u89e3\u548c\u610f\u60f3\u4e0d\u5230\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u4e66\u7c4d\u548c\u6559\u7a0b<\/p>\n<\/p>\n
\u8bb8\u591a\u5173\u4e8ePython\u7684\u4e66\u7c4d\u548c\u6559\u7a0b\u4e5f\u63d0\u4f9b\u4e86\u5173\u4e8e\u51fd\u6570\u7528\u6cd5\u7684\u8be6\u5c3d\u8bf4\u660e\u3002\u5c24\u5176\u662f\u9762\u5411\u521d\u5b66\u8005\u7684\u4e66\u7c4d\uff0c\u901a\u5e38\u4f1a\u4ee5\u5faa\u5e8f\u6e10\u8fdb\u7684\u65b9\u5f0f\u4ecb\u7ecd\u5404\u79cd\u5e38\u7528\u51fd\u6570\u53ca\u5176\u5e94\u7528\u573a\u666f\u3002\u901a\u8fc7\u7cfb\u7edf\u5730\u5b66\u4e60\u8fd9\u4e9b\u8d44\u6599\uff0c\u53ef\u4ee5\u4e3a\u81ea\u5df1\u7684\u5f00\u53d1\u5de5\u4f5c\u6253\u4e0b\u575a\u5b9e\u7684\u57fa\u7840\u3002<\/p>\n<\/p>\n
\u516b\u3001\u5b9e\u9a8c\u548c\u5b9e\u8df5<\/p>\n<\/p>\n
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\u603b\u7ed3\u6765\u8bf4\uff0cPython\u67e5\u770b\u51fd\u6570\u7528\u6cd5\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u9009\u62e9\u9002\u5408\u81ea\u5df1\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u5b66\u4e60\u6548\u7387\u3002\u65e0\u8bba\u662f\u67e5\u9605\u6587\u6863\u3001\u4f7f\u7528\u5de5\u5177\uff0c\u8fd8\u662f\u53c2\u4e0e\u793e\u533a\u4ea4\u6d41\uff0c\u90fd\u662f\u52a0\u6df1\u7406\u89e3\u548c\u63d0\u5347\u6280\u80fd\u7684\u6709\u6548\u9014\u5f84\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u67e5\u627ePython\u51fd\u6570\u7684\u6587\u6863\u548c\u7528\u6cd5\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684help()<\/code>\u51fd\u6570\u6765\u67e5\u770b\u51fd\u6570\u7684\u6587\u6863\u3002\u4f8b\u5982\uff0c\u8f93\u5165help(\u51fd\u6570\u540d)<\/code>\uff0c\u5c06\u4f1a\u663e\u793a\u8be5\u51fd\u6570\u7684\u7528\u6cd5\u3001\u53c2\u6570\u8bf4\u660e\u4ee5\u53ca\u793a\u4f8b\u3002\u6b64\u5916\uff0cPython\u7684\u5b98\u65b9\u6587\u6863\u7f51\u7ad9\u4e5f\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u8d44\u6e90\uff0c\u63d0\u4f9b\u4e86\u8be6\u7ec6\u7684\u51fd\u6570\u8bf4\u660e\u548c\u4f7f\u7528\u793a\u4f8b\u3002<\/p>\n
\u5982\u4f55\u5728Python\u4e2d\u83b7\u53d6\u51fd\u6570\u53c2\u6570\u7684\u8be6\u7ec6\u4fe1\u606f\uff1f<\/strong>
\u4f7f\u7528inspect<\/code>\u6a21\u5757\u53ef\u4ee5\u83b7\u53d6\u51fd\u6570\u7684\u53c2\u6570\u4fe1\u606f\u3002\u901a\u8fc7inspect.signature(\u51fd\u6570\u540d)<\/code>\uff0c\u53ef\u4ee5\u67e5\u770b\u8be5\u51fd\u6570\u7684\u53c2\u6570\u5217\u8868\u53ca\u5176\u9ed8\u8ba4\u503c\u3002\u8fd9\u5bf9\u4e8e\u7406\u89e3\u51fd\u6570\u5982\u4f55\u4f7f\u7528\u4ee5\u53ca\u5982\u4f55\u6709\u6548\u4f20\u9012\u53c2\u6570\u975e\u5e38\u6709\u5e2e\u52a9\u3002<\/p>\n
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