{"id":205042,"date":"2025-05-29T11:21:15","date_gmt":"2025-05-29T03:21:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205042\/"},"modified":"2025-05-29T11:21:15","modified_gmt":"2025-05-29T03:21:15","slug":"python-%e5%9f%ba%e6%9c%ac%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205042\/","title":{"rendered":"Python \u57fa\u672c\u4ecb\u7ecd"},"content":{"rendered":"

<\/b> <\/p>\n

Python \u57fa\u672c\u4ecb\u7ecd<\/h1>\n

\u4f60\u5728\u5b66\u4e60\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587\u300aPython \u57fa\u672c\u4ecb\u7ecd\u300b<\/span>\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230<\/span>\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01<\/p>\n

<\/p>\n

python \u5c06\u81ea\u5df1\u63cf\u8ff0\u4e3a\u4e00\u79cd\u201c\u89e3\u91ca\u6027\u3001\u4ea4\u4e92\u5f0f\u3001\u9762\u5411\u5bf9\u8c61\u7684\u7f16\u7a0b\u8bed\u8a00\u201d\uff0c\u8fd8\u652f\u6301\u201c\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e4b\u5916\u7684\u591a\u79cd\u7f16\u7a0b\u8303\u5f0f\uff0c\u4f8b\u5982\u8fc7\u7a0b\u5f0f\u7f16\u7a0b\u548c\u51fd\u6570\u5f0f\u7f16\u7a0b\u201d\u3002<\/p>\n

\n

python \u7684\u8bde\u751f\u662f\u4e3a\u4e86\u5c06 modula-3 \u548c abc \u7f16\u7a0b\u8bed\u8a00\u7684\u4f18\u52bf\u7ed3\u5408\u6210\u4e00\u79cd\u72ec\u7acb\u7684\u7f16\u7a0b\u8bed\u8a00\u3002 python \u5c06\u6574\u4f53\u8bed\u6cd5\u548c\u7528\u4e8e\u5f02\u5e38\u7684\u8bed\u4e49\u5f52\u529f\u4e8e modula-3 \u8bed\u8a00\uff0c\u4f46 abc \u8bed\u8a00\u548c\u4ee3\u7406 set \u8bed\u8a00\u4e5f\u6709\u7c7b\u4f3c\u7684\u7075\u611f\u3002<\/p>\n

\n

python \u5c06\u81ea\u5df1\u63cf\u8ff0\u4e3a\u201c\u4e00\u79cd\u9ad8\u7ea7\u901a\u7528\u7f16\u7a0b\u8bed\u8a00\uff0c\u53ef\u4ee5\u5e94\u7528\u4e8e\u8bb8\u591a\u4e0d\u540c\u7c7b\u522b\u7684\u95ee\u9898\u201d\u3002 python \u6807\u51c6\u5e93\u6db5\u76d6\u4e86\u5f00\u53d1\u4eba\u5458\u7684\u591a\u4e2a\u5173\u6ce8\u70b9\uff1a<\/p>\n\n\n\n\n\n\n\n
string processing<\/strong><\/th>\ninternet protocols<\/strong><\/th>\nsoftware engineering<\/strong><\/th>\noperating system interfaces<\/strong><\/th>\n<\/tr>\n<\/thead>\n
regular expressions<\/td>\nhttp<\/td>\nunit testing<\/td>\nsystem calls<\/td>\n<\/tr>\n
file comparisons<\/td>\nftp<\/td>\nlogging<\/td>\nfile systems<\/td>\n<\/tr>\n
unicode<\/td>\nsmtp, xml-rfc, & more<\/td>\nprofiling<\/td>\ntcp\/ip sockets<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\u9996\u5148\uff0c\u6211\u4eec\u6700\u597d\u4e86\u89e3\u4e3a\u4ec0\u4e48\u6709\u8fd9\u4e48\u591a\u7f16\u7a0b\u8bed\u8a00\u53ef\u4f9b\u5f00\u53d1\u4eba\u5458\u4f7f\u7528\u3002\u7b80\u5355\u7684\u7b54\u6848\u662f\uff0c\u867d\u7136\u8bb8\u591a\u7f16\u7a0b\u8bed\u8a00\u53ef\u4ee5\u6267\u884c\u7c7b\u4f3c\u7684\u8fc7\u7a0b\uff0c\u4f46\u6709\u4e9b\u8bed\u8a00\u80fd\u591f\u66f4\u597d\u5730\u5904\u7406\u8fd9\u4e9b\u6267\u884c\u3002\u6839\u636e linsi tuttle \u5728 wgu\uff08\u897f\u90e8\u5dde\u957f\u5927\u5b66\uff09\u7f51\u7ad9\u4e0a\u7684\u6587\u7ae0\uff1a<\/p>\n

\n

\u6bcf\u79cd\u7f16\u7a0b\u8bed\u8a00\u90fd\u662f\u9488\u5bf9\u7279\u5b9a\u5e94\u7528\u800c\u8bbe\u8ba1\u7684\uff0c\u5e76\u4e14\u5177\u6709\u72ec\u7279\u7684\u4f18\u70b9\u548c\u5c40\u9650\u6027\u3002\u6839\u636e\u9879\u76ee\u7684\u4e0d\u540c\uff0c\u4e00\u79cd\u8bed\u8a00\u5728\u901f\u5ea6\u6548\u7387\u3001\u591a\u529f\u80fd\u6027\u6216\u53ef\u6269\u5c55\u6027\u65b9\u9762\u53ef\u80fd\u6bd4\u53e6\u4e00\u79cd\u8bed\u8a00\u66f4\u9002\u5408\u3002<\/p>\n<\/blockquote>\n

\u8003\u8651\u5230\u8fd9\u4e00\u70b9\uff0c\u8ba9\u6211\u4eec\u770b\u770b estefania cassingena navone \u5728\u5979\u6bd4\u8f83 python \u548c javascript \u7684\u6587\u7ae0\u4e2d\u7684\u89c2\u5bdf\u7ed3\u679c\uff1a<\/p>\n\n\n\n\n\n\n\n
python<\/strong><\/th>\njavascript<\/strong><\/th>\n<\/tr>\n<\/thead>\n
it is widely used in scientific and specialized applications.<\/td>\nit is widely used for web development, user-facing functionalities, and servers.<\/td>\n<\/tr>\n
used in data science, artificial intelligence, machine learning, computer vision and image processing.<\/td>\nused in web development, especially for making interactive and dynamic content for web applications.<\/td>\n<\/tr>\n
it can be used for web development; python is typically used for back-end development.<\/td>\nit can be used to develop both the back-end and front-end of the application.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\u51fd\u6570\u8c03\u7528 <\/h4>\n

\u6211\u8ba4\u4e3a\u6211\u4eec\u6700\u597d\u4ee5\u7b80\u5355\u7684\u4e8b\u60c5\u4e3a\u57fa\u7840\u3002\u8ba9\u6211\u4eec\u4ece\u57fa\u7840\u5f00\u59cb\uff0c\u5982\u4f55\u4f7f\u7528 python \u5c06\u6d88\u606f\u8bb0\u5f55\u5230\u63a7\u5236\u53f0\uff1f<\/p>\n

\n\nprint(\"hello world!\");\n\n\n<\/pre>\n
\u8fd9\u4f1a\u5411\u6211\u4eec\u7684\u63a7\u5236\u53f0\u8f93\u51fa\u4e00\u4e2a\u975e\u5e38\u57fa\u672c\u7684\u5185\u5bb9\uff0c\u867d\u7136\u73b0\u5728\u53ef\u80fd\u6ca1\u7528\uff0c\u4f46\u5728\u6211\u4eec\u7ee7\u7eed\u5b66\u4e60\u8bed\u8a00\u7684\u540c\u65f6\uff0c\u5b83\u80af\u5b9a\u53ef\u4ee5\u5bf9\u6545\u969c\u6392\u9664\u5f88\u6709\u7528\uff01<\/p>\n
\n\n# output => \"hello world!\"\n\n\n<\/pre>\n
\n
 \u53d8\u91cf\u548c\u6570\u636e\u7c7b\u578b <\/h4>\n
\u6839\u636epython\uff0c\u53d8\u91cf\u5728\u4f7f\u7528\u4e4b\u524d\u4e0d\u9700\u8981\u58f0\u660e\uff0c\u4e5f\u4e0d\u9700\u8981\u58f0\u660e\u7c7b\u578b\u3002\u5c24\u5176\u91cd\u8981\u7684\u662f\u8981\u77e5\u9053\uff0c\u5728 python \u4e2d\uff0c\u6bcf\u4e2a\u53d8\u91cf\u90fd\u662f\u4e00\u4e2a\u5bf9\u8c61\u3002<\/p>\n
\u4e00\u5f00\u59cb\u53ef\u80fd\u5f88\u96be\u7406\u89e3\u8fd9\u4e00\u70b9\uff0c\u6240\u4ee5\u8ba9\u6211\u4eec\u6765\u770b\u770b\u4e00\u4e9b\u53d8\u91cf\u58f0\u660e\u548c\u8d4b\u503c\u3002<\/p>\n
\n\nfirst_name = 'jolly' # string with single quotes\nlast_name = \"roger\" # string with double quotes\n\nheight = 6 # integer number\nage = 36.253256 # float number\n\nis_liar = true # boolean\n\n# concatenation example\nprint(first_name + \" \" + last_name + \" sails the high seas!\")\n\n# interpolation example\nprint(\"at %d years old he stands at %d feet tall!\" %(age, height))\n\n\n<\/pre>\n
\u8bf7\u6ce8\u610f\uff0c\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u907f\u514d\u4f7f\u7528\u9a7c\u5cf0\u5f0f\u547d\u540d\u6cd5\uff0c\u800c\u662f\u4f7f\u7528\u86c7\u5f62\u547d\u540d\u6cd5\u3002\u8fd9\u6837\u505a\u4e3b\u8981\u662f\u56e0\u4e3apython \u7684\u5b98\u65b9\u98ce\u683c\u6307\u5357\u5728\u8bb8\u591a\u793a\u4f8b\u4e2d\u4f7f\u7528\u4e86snake_case\u3002\u5982\u679c\u60a8\u5bf9\u66f4\u591a\u6837\u5f0f\u5efa\u8bae\u611f\u5174\u8da3\uff0c\u53ef\u4ee5\u5728\u6b64\u5904\u67e5\u770b\u6587\u6863\u3002<\/p>\n
\u73b0\u5728\u8ba9\u6211\u4eec\u5feb\u901f\u770b\u4e00\u4e0b\u6211\u4eec\u7684\u8f93\u51fa\uff0c\u56e0\u4e3a\u6211\u4eec\u5728 print \u8bed\u53e5\u7684\u4e24\u79cd\u7528\u6cd5\u4e2d\u6240\u505a\u7684\u4e8b\u60c5\u7565\u6709\u4e0d\u540c\u3002\u8fd9\u5c31\u662f\u6211\u4eec\u7684\u8f93\u51fa\uff1a<\/p>\n
\n\n# output => \"jolly roger sails the high seas!\"\n# output => \"at 36 years old, he stands at 6 feet tall!\"\n\n\n<\/pre>\n
+ \u8fd0\u7b97\u7b26\u671f\u671b\u63d0\u4f9b\u7ed9\u5b83\u7684\u6570\u636e\u7c7b\u578b\u5339\u914d\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u5982\u679c + \u8fd0\u7b97\u7b26\u5e26\u6709\u6570\u5b57\uff0c\u90a3\u4e48\u5b83\u5c06\u5c1d\u8bd5\u8ba1\u7b97\u8fd9\u4e9b\u6570\u5b57\u3002\u5982\u679c + \u8fd0\u7b97\u7b26\u4e0e\u5b57\u7b26\u4e32\u4e00\u8d77\u4f7f\u7528\uff0c\u90a3\u4e48\u5b83\u5c06\u5c1d\u8bd5\u5c06\u4e24\u4e2a\u9879\u76ee\u8fde\u63a5\u6210\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002<\/p>\n
\u5728\u7b2c\u4e00\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u672c\u8d28\u4e0a\u6267\u884c\u4e86\u5b57\u7b26\u4e32\u8fde\u63a5\u3002\u8fd9\u5f88\u68d2\uff0c\u800c\u4e14\u5b83\u4f1a\u8d77\u4f5c\u7528\uff0c\u56e0\u4e3a\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c+ \u8fd0\u7b97\u7b26\u7528\u4e8e\u76f8\u540c\u6570\u636e\u7c7b\u578b\uff08\u5b57\u7b26\u4e32\uff09\u7684\u9879\u76ee\u3002\u7136\u800c\uff0c\u5728\u7b2c\u4e8c\u4e2a\u793a\u4f8b\u4e2d\uff0c\u8fd9\u4e0d\u8d77\u4f5c\u7528\uff01<\/p>\n
\u5728\u7b2c\u4e8c\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u8981\u5b8c\u6210\u5b57\u7b26\u4e32\u63d2\u503c\u3002\u4e3a\u6b64\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u5b57\u7b26\u4e32\u4e2d\u521b\u5efa\u5360\u4f4d\u7b26 (%s %d %f)\uff0c\u7136\u540e\u6211\u4eec\u53ef\u4ee5\u6309\u987a\u5e8f\u5c06\u53c2\u6570\u4f20\u9012\u7ed9\u8fd9\u4e9b\u5360\u4f4d\u7b26 %(‘cat’, 3, 4.56231)\u3002<\/p>\n
\n
 \u4ee3\u7801\u5757\u548c\u7f29\u8fdb <\/h4>\n
\u5728 javascript \u4e2d\uff0c\u6211\u4eec\u901a\u5e38\u901a\u8fc7\u4f7f\u7528\u5927\u62ec\u53f7 {…} \u6765\u6307\u793a\u4ee3\u7801\u5757\u7684\u5f00\u59cb\uff0c\u5927\u62ec\u53f7\u5305\u542b\u4e00\u7ec4\u8981\u6267\u884c\u7684\u4ee3\u7801\u3002\u7136\u800c\uff0cpython \u5904\u7406\u8fd9\u4e2a\u6982\u5ff5\u7684\u65b9\u5f0f\u6709\u70b9\u4e0d\u540c\u2026\u2026\u8fd9\u5c31\u662f\u5176\u4ed6\u8bed\u8a00\u7684\u826f\u597d\u4e60\u60ef\u53ef\u4ee5\u63d0\u4f9b\u5e2e\u52a9\u7684\u5730\u65b9\u3002<\/p>\n
\n\nx = 1\n\nif x == 1:\n    print(\"x is 1.\")\n\n\n<\/pre>\n
\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cpython \u4f7f\u7528 \u7f29\u8fdb<\/em> \u6765\u4e86\u89e3\u4ee3\u7801\u5757\u4f55\u65f6\u5f00\u59cb\u548c\u7ed3\u675f\u3002\u6807\u51c6\u7f29\u8fdb\u8981\u6c42\u6807\u51c6 python \u4ee3\u7801\u4f7f\u7528\u56db\u4e2a\u7a7a\u683c\u3002\u5982\u679c\u6211\u4eec\u5728\u6ca1\u6709\u7f29\u8fdb\u7684\u60c5\u51b5\u4e0b\u7f16\u5199\u6b64\u884c\uff0c\u6211\u4eec\u5c06\u6536\u5230\u9519\u8bef indentationerror: expected an indented block \u3002<\/p>\n
\n
 \u6761\u4ef6\u8bed\u53e5\u548c\u8868\u8fbe\u5f0f <\/h4>\n
\u8ba9\u6211\u4eec\u5c1d\u8bd5\u5c06\u4ee3\u7801\u5757\u7684\u65b0\u77e5\u8bc6\u5e94\u7528\u5230\u53d8\u91cf\u548c\u6570\u636e\u7c7b\u578b<\/strong>\u90e8\u5206\u4e2d\u7684\u793a\u4f8b\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u6709\u4e00\u4e2a\u672a\u4f7f\u7528\u7684\u5e03\u5c14\u503c\uff0c\u6211\u4eec\u73b0\u5728\u8981\u5b9e\u73b0\u5b83\u3002<\/p>\n
\n\nfirst_name = 'jolly' # string with single quotes\nlast_name = \"roger\" # string with double quotes\n\nheight = 6 # integer number\nage = 36.253256 # float number\n\nis_liar = true\n\nif is_liar:\n    print(\"%s %s lied to you!\" %(first_name, last_name))\nelse:\n    print(first_name + \" \" + last_name + \" sails the high seas!\")\n    print(\"at %d years old he stands at %d feet tall!\" %(age, height))\n\n\n<\/pre>\n
\u73b0\u5728\u6211\u4eec\u5df2\u7ecf\u521b\u5efa\u4e86\u4e00\u4e2a\u4ee3\u7801\u5757\uff0c\u5e76\u4e14\u6b64\u4ee3\u7801\u5757\u4ec5\u5728<\/em>\u8868\u8fbe\u5f0f\u4e3a\u771f\u65f6\u6267\u884c\u3002\u5728\u6b64\u793a\u4f8b\u4e2d is_liar \u6307\u5411 true \u7684\u503c\uff0c\u56e0\u6b64\u6211\u4eec\u7684\u8f93\u51fa\u5c06\u662f\uff1a<\/p>\n
\n\n# output => \"jolly roger lied to you!\"\n\n\n<\/pre>\n
\u8fd8\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cpython \u80fd\u591f\u8fdb\u884c\u6761\u4ef6\u94fe\u63a5\u3002 if \u8bed\u53e5\u540e\u53ef\u4ee5\u8ddf\u4e00\u4e2a\u6216\u591a\u4e2a elif \u8bed\u53e5\uff0c\u4e5f\u53ef\u4ee5\u8ddf\u4e00\u4e2a\u7b80\u5355\u7684 else \u8bed\u53e5\u3002<\/p>\n
\n
 \u5faa\u73af <\/h4>\n
\u5728python\u4e2d\uff0c\u6709\u4e24\u79cd\u5faa\u73af\u6216\u8fed\u4ee3\u7684\u65b9\u5f0f\uff1afor\u5faa\u73af\u548cwhile\u5faa\u73af\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u4ee5\u4ece\u4e00\u4e2a\u4f7f\u7528 range \u51fd\u6570\u7684\u7b80\u5355\u793a\u4f8b\u5f00\u59cb\u3002<\/p>\n
\n\nfor item in range(1, 11):\n    print(item)\n\n\n<\/pre>\n
\u5728\u6b64\u793a\u4f8b\u4e2d\uff0crange() \u51fd\u6570\u8868\u793a\u5faa\u73af\u7684\u5f00\u59cb\u548c\u505c\u6b62\u6761\u4ef6\u3002\u8fd9\u662f\u56e0\u4e3a range() \u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u5217\u8868\u6570\u636e\u7ed3\u6784\uff08\u5728 javascript \u4e2d\uff0c\u60a8\u4f1a\u5c06\u6b64\u7ed3\u6784\u79f0\u4e3a\u6570\u7ec4\uff09\u3002\u5982\u679c\u6211\u4eec\u7ee7\u7eed\u4e86\u89e3\u8fd9\u4e9b\u77e5\u8bc6\uff0c\u6211\u4eec\u53ef\u4ee5\u91cd\u65b0\u6784\u5efa\u6211\u4eec\u5982\u4f55\u5f62\u8c61\u5316\u8fd9\u4e2a\u95ee\u9898\uff1a<\/p>\n
\n\nfor item in [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]:\n    print(item)\n\n\n<\/pre>\n
    \n
  1.  \u51fd\u6570 range(1, 11) \u8fd4\u56de\u4e00\u4e2a\u5217\u8868\u3002<\/li>\n
  2.  \u5217\u8868\u6307\u5411 [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]\u3002<\/li>\n
  3.  \u5bf9\u4e8e\u8be5\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u9879\u76ee\uff0c\u6211\u4eec\u5c1d\u8bd5 print() \u5b83\u3002<\/li>\n<\/ol>\n
    \u8003\u8651\u63a7\u5236\u6d41\u8bed\u53e5\u4e5f\u5f88\u91cd\u8981\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u6539\u53d8\u4ee3\u7801\u7684\u8bc4\u4f30\u548c\u6267\u884c\u987a\u5e8f\u3002\u4e24\u4e2a\u5e38\u89c1\u7684\u8bed\u53e5\u662f continue \u548c break \u8bed\u53e5\u3002\u8ba9\u6211\u4eec\u5c06\u5176\u4e2d\u4e4b\u4e00\u96c6\u6210\u5230\u6211\u4eec\u7684\u5faa\u73af\u4e2d\u3002<\/p>\n
    \n\nfor item in range(1, 11):\n    if item % 2 == 0: # if the item is even\n        continue      # continue to next iteration\n    else:\n        print(item)   # else print the item\n\n\n<\/pre>\n
    \u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4f7f\u7528 continue \u8bed\u53e5\u7ee7\u7eed\u4e0b\u4e00\u6b21\u8fed\u4ee3\uff0c\u4f46\u524d\u63d0\u662f\u5f53\u524d\u9879\u662f\u5076\u6570\u3002\u5426\u5219\uff0c\u6211\u4eec\u4f1a\u70b9\u51fb else \u5757\u5e76\u6253\u5370\u8be5\u6570\u5b57\uff01 continue \u8bed\u53e5\u548cbreak \u8bed\u53e5\u6709\u65f6\u662f\u53ef\u9009\u7684\u3002\u5982\u679c\u60a8\u62c5\u5fc3\u65e0\u9650\u5faa\u73af\uff0c\u8bf7\u8003\u8651\u5b9e\u73b0\u8fd9\u4e9b\u8bed\u53e5\u3002\u5173\u4e8e\u8fd9\u4e00\u70b9\uff0c\u8ba9\u6211\u4eec\u770b\u4e00\u4e0b while \u5faa\u73af\uff01<\/p>\n
    \n\ncount = 0\nwhile true:\n    print(count)\n    count += 1\n    if count >= 5:\n        break\n\n\n<\/pre>\n
    \u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u6280\u672f\u4e0a<\/em>\u58f0\u660e\u4e86\u4e00\u4e2a\u53ef\u4ee5\u65e0\u9650\u8fed\u4ee3\u7684\u5faa\u73af\u3002\u7136\u800c\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u9002\u5f53\u5730\u5305\u542b\u4e86\u4e00\u4e2a\u57fa\u672c\u6848\u4f8b\u3002\u6bcf\u5f53count\u53d8\u91cf\u5927\u4e8e\u6216\u7b49\u4e8e5\u65f6\uff0c\u6211\u4eec\u901a\u8fc7break\u8bed\u53e5\u9000\u51fa\u6574\u4e2a\u5faa\u73af\u3002<\/p>\n
    \u5982\u679c\u6211\u4eec\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\u6ca1\u6709break\u8bed\u53e5\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u65e0\u9650\u5faa\u73af\u3002\u6211\u4eec\u53ef\u4ee5\u91cd\u7ec4\u6216\u4ee5\u5176\u4ed6\u65b9\u5f0f\u91cd\u65b0\u8bbe\u8ba1\u6211\u4eec\u7684\u4ee3\u7801\uff0c\u8fd9\u6837\u5c31\u4e0d\u9700\u8981break\u8bed\u53e5\u4e86\u3002\u5982\u679c\u6211\u4eec\u60f3\u5b8c\u6210\u540c\u6837\u7684\u4e8b\u60c5\uff0c\u6211\u4eec\u53ef\u4ee5\u50cf\u8fd9\u6837\u91cd\u65b0\u8bbe\u8ba1\u6211\u4eec\u7684\u4ee3\u7801\uff1a<\/p>\n
    \n\ncount = 0\nwhile (count < 5):\n    print(count)\n    count += 1\n\n\n<\/pre>\n
    \u6700\u7ec8\u6211\u4eec\u53d6\u5f97\u4e86\u76f8\u540c\u7684\u7ed3\u679c\uff0c\u6211\u4eec\u53ea\u662f\u4e0d\u5f97\u4e0d\u91cd\u65b0\u601d\u8003\u6211\u4eec\u7684\u65b9\u6cd5\u3002 python \u63d0\u4f9b\u4e86\u591a\u79cd\u89e3\u51b3\u95ee\u9898\u7684\u65b9\u6cd5\uff0c\u56e0\u6b64\u901a\u5e38\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u4e0d\u540c\u7684\u65b9\u5f0f\u83b7\u5f97\u76f8\u540c\u7684\u7ed3\u679c\u3002<\/p>\n
    \n
     \u529f\u80fd <\/h4>\n
    \u554a\uff0c\u53ef\u91cd\u7528\u7684\u4ee3\u7801\uff0c\u6211\u4eb2\u7231\u7684\u3002 python \u5c06\u51fd\u6570\u63cf\u8ff0\u4e3a\u201c\u4e00\u79cd\u5c06\u4ee3\u7801\u5212\u5206\u4e3a\u6709\u7528\u5757\u7684\u4fbf\u6377\u65b9\u6cd5\uff0c\u4f7f\u6211\u4eec\u80fd\u591f\u5bf9\u4ee3\u7801\u8fdb\u884c\u6392\u5e8f\u3001\u4f7f\u5176\u66f4\u5177\u53ef\u8bfb\u6027\u3001\u91cd\u7528\u5b83\u5e76\u8282\u7701\u66f4\u591a\u65f6\u95f4\u201d\u3002\u8003\u8651\u5230\u8fd9\u4e00\u70b9\uff0c\u8ba9\u6211\u4eec\u5f00\u59cb\u8ba8\u8bba\u5982\u4f55\u5236\u4f5c\u4e00\u4e9b\u53ef\u91cd\u7528\u7684\u4ee3\u7801\uff01<\/p>\n
    \n\ndef describe_me(name = none, age = none, hobbies = none):\n    # code for the function would be here!\n\n\n<\/pre>\n
    \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 def \u5173\u952e\u5b57\u6765\u6307\u793a\u6211\u4eec\u6b63\u5728\u5b9a\u4e49\u4e00\u4e2a\u65b0\u51fd\u6570\u3002\u8be5\u51fd\u6570\u5c06\u88ab\u79f0\u4e3adescribe_me\uff0c\u5b83\u53ef\u4ee5\u63a5\u53d7\u4e09\u4e2a\u53c2\u6570\uff1a<\/p>\n
      \n
    1. \u5b57\u7b26\u4e32<\/li>\n
    2. \u6570\u5b57\uff08\u6d6e\u70b9\u6570\u6216\u6574\u6570\uff09<\/li>\n
    3. \u5174\u8da3\u7231\u597d\u5217\u8868<\/li>\n<\/ol>\n
      \u8bf7\u6ce8\u610f\uff0c\u5f53\u6211\u4eec\u5b9a\u4e49\u8fd9\u4e09\u4e2a\u53c2\u6570\u65f6\uff0c\u6211\u4eec\u8fd8\u4e3a\u5b83\u4eec\u5206\u914d\u4e86 none \u503c\u3002\u6211\u4eec\u5b9e\u9645\u4e0a\u5728\u8fd9\u91cc\u6240\u505a\u7684\u662f\u5c06\u9ed8\u8ba4\u503c\u8bbe\u7f6e\u4e3a none\uff0c\u8fd9\u6837\u5982\u679c\u6ca1\u6709\u63d0\u4f9b\u53c2\u6570\uff0c\u90a3\u4e48\u6211\u4eec\u7684\u4ee3\u7801\u4ecd\u7136\u4f1a\u5c1d\u8bd5\u6267\u884c\u3002\u8ba9\u6211\u4eec\u5728\u4e0b\u9762\u7684\u793a\u4f8b\u4e2d\u7ee7\u7eed\u6269\u5c55\u8fd9\u4e2a\u51fd\u6570\u3002<\/p>\n
      \n\ndef describe_me(name = none, age = none, hobbies = none):\n    if (name and age):\n        print('my name is %s and i am %d years old.' %(name, age))\n    elif (name):\n        print('my name is %s.' %(name))\n\n\n<\/pre>\n
      \u592a\u597d\u4e86\uff0c\u73b0\u5728\u6211\u4eec\u5df2\u7ecf\u5efa\u7acb\u4e86\u4e24\u4e2a\u6761\u4ef6\u8868\u8fbe\u5f0f\u6765\u67e5\u770b\u6211\u4eec\u6b63\u5728\u5904\u7406\u54ea\u4e9b\u6570\u636e\u3002\u6211\u4eec\u7684\u7b2c\u4e00\u4e2a\u6761\u4ef6\u68c0\u67e5\u662f\u5426\u4e3a\u540d\u79f0\u53c2\u6570\u548c\u5e74\u9f84\u53c2\u6570\u63d0\u4f9b\u4e86\u53c2\u6570\uff1b\u5982\u679c\u5b83\u89e3\u6790\u4e3a true\uff0c\u5219\u4e00\u6761\u6d88\u606f\u5c06\u6253\u5370\u5230\u63a7\u5236\u53f0\u3002\u5982\u679c\u63d0\u4f9b\u4e86\u59d3\u540d\u53c2\u6570\uff0c\u4f46\u6ca1\u6709\u63d0\u4f9b\u5e74\u9f84\uff0c\u5219\u4f1a\u6253\u5370\u4e00\u6761\u66ff\u4ee3\u6d88\u606f\u3002<\/p>\n
      \u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u4eec\u6240\u505a\u7684\u4e00\u5207\u90fd\u662f\u6709\u6548\u7684\uff0c\u4f46\u6211\u4eec\u4ecd\u7136\u6ca1\u6709\u89e3\u51b3\u7231\u597d\u53c2\u6570\u7684\u4f7f\u7528\u65b9\u5f0f\u3002\u8ba9\u6211\u4eec\u770b\u770b\u5982\u679c\u6211\u4eec\u6dfb\u52a0\u4e00\u4e2a\u5faa\u73af\u6765\u8fed\u4ee3\u7231\u597d\u96c6\u5408\u4f1a\u662f\u4ec0\u4e48\u6837\u5b50\u3002<\/p>\n
      \n\ndef describe_me(name = none, age = none, hobbies = none):\n    if (name and age):\n        print('my name is %s and i am %d years old.' %(name, age))\n    elif (name):\n        print('my name is %s.' %(name))\n\n    if (hobbies and (type(hobbies) is list)):\n        for hobby in hobbies:\n            if (type(hobby) is str):\n                print('%s is a hobby of mine.' %hobby)\n\ndescribe_me('jolly roger', 36, ['sailing', 2, 'treasure-hunting', 3, 4, true])\n\n\n<\/pre>\n
      \u6211\u4eec\u5728\u8fd9\u91cc\u6269\u5c55\u4e86\u6211\u4eec\u7684\u4ee3\u7801\uff0c\u4f46\u5b83\u5230\u5e95\u5728\u505a\u4ec0\u4e48\uff1f\u73b0\u5728\u6211\u4eec\u6b63\u5728\u68c0\u67e5 hobbies \u53c2\u6570\u662f\u5426\u6536\u5230\u4e86\u53c2\u6570\uff0c\u5e76\u4e14\u6211\u4eec\u8fd8\u5728\u68c0\u67e5\u4ee5\u786e\u4fdd\u8be5\u53c2\u6570\u662f\u4e00\u4e2a\u5217\u8868\u3002\u5982\u679c\u7b2c\u4e00\u6b21\u68c0\u67e5\u89e3\u6790\u4e3a true\uff0c\u90a3\u4e48\u6211\u4eec\u5c1d\u8bd5\u6267\u884c\u4ee3\u7801\u5757\u5185\u7684\u6240\u6709\u5185\u5bb9\uff0c\u8fd9\u5e94\u8be5\u8f93\u51fa\u4ee5\u4e0b\u6d88\u606f\uff1a<\/p>\n
      \n\n# output => 'my name is jolly roger and i am 36 years old.'\n            'sailing is a hobby of mine.'\n            'treasure-hunting is a hobby of mine.'\n\n\n<\/pre>\n
      \n
       \u8bfe\u7a0b <\/h4>\n
      \u7c7b\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u6a21\u677f\uff0c\u60a8\u53ef\u4ee5\u91cd\u7528\u5b83\u6765\u521b\u5efa\u65b0\u7684\u5bf9\u8c61\u5b9e\u4f8b\u3002\u5982\u679c\u60a8\u4e0d\u719f\u6089\u7c7b\u7684\u6982\u5ff5\uff0c\u90a3\u4e48\u8fd9\u53ef\u80fd\u542c\u8d77\u6765\u771f\u7684<\/em>\u4ee4\u4eba\u56f0\u60d1\uff0c\u4f46\u6211\u4eec\u5c06\u5728\u6b64\u524d\u63d0\u4e0b\u8fdb\u884c\u6269\u5c55\u3002<\/p>\n
      \n\nclass car:\n    year = 0\n    make = ''\n    model = ''\n\n\n<\/pre>\n
      \u8ba9\u6211\u4eec\u9996\u5148\u5b9a\u4e49 car \u7c7b\u5bf9\u8c61\u7684\u5185\u5bb9\uff0c\u5728\u672c\u4f8b\u4e2d\uff0c\u5b83\u6709\u51e0\u4e2a\u53d8\u91cf\uff0c\u8fd9\u4e9b\u53d8\u91cf\u88ab\u521d\u59cb\u5316\u4e3a\u6211\u4eec\u60f3\u8981\u5b58\u50a8\u5728\u5176\u4e2d\u7684\u6570\u636e\u7c7b\u578b\u3002\u90a3\u4e48\u4f7f\u7528\u8fd9\u4e2a\u57fa\u672c\u6a21\u677f\uff0c\u6211\u4eec\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u4f5c\u4e3a car \u7c7b\u5b9e\u4f8b\u7684\u65b0\u5bf9\u8c61\uff1f<\/p>\n
      \n\nmy_car = car()\n\nmy_car.year = 2007\nmy_car.make = 'toyota'\nmy_car.model = 'camry'\n\n\n<\/pre>\n
      \u6211\u4eec\u9996\u5148\u521b\u5efa\u4e00\u4e2a\u53d8\u91cf my_car\uff0c\u5b83\u7b49\u4e8e car \u7c7b\u7684\u65b0\u5b9e\u4f8b\u3002\u521b\u5efa\u65b0\u5bf9\u8c61\u540e\uff0c\u6211\u4eec\u5c06\u5176\u4e2d\u7684\u53d8\u91cf\u91cd\u65b0\u5206\u914d\u4e3a\u6211\u4eec\u60f3\u8981\u7684\u503c\u3002\u7136\u800c\uff0c\u6211\u4eec\u5f53\u524d\u7684\u95ee\u9898\u662f\u6211\u4eec\u5fc5\u987b\u5355\u72ec\u6253\u5370\u6bcf\u4e2a\u53d8\u91cf\u7684\u503c\u3002<\/p>\n
      \n\nprint(my_car)        # => <__main__.car object at 0x7f9940979f10>\n\nprint(my_car.year)   # => 2007\nprint(my_car.make)   # => toyota\nprint(my_car.model)  # => camry\n\n\n<\/pre>\n
      \u8ba9\u6211\u4eec\u901a\u8fc7\u5411 car \u7c7b\u6dfb\u52a0\u4e00\u4e9b\u989d\u5916\u7684\u529f\u80fd\u6765\u5b8c\u6210\u6b64\u4efb\u52a1\u3002\u6211\u4eec\u5c06\u5411\u8be5\u7c7b\u6dfb\u52a0\u4e00\u4e2a\u65b0\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u5728\u8c03\u7528\u65f6\u5c06\u6253\u5370\u5b9e\u4f8b\u7684\u5e74\u4efd\u3001\u54c1\u724c\u548c\u578b\u53f7\u3002<\/p>\n
      \n\nclass Car:\n    year = 0\n    make = ''\n    model = ''\n    def describe_me(self):\n        print(self.year)\n        print(self.make)\n        print(self.model)\n\n\n<\/pre>\n
      \u592a\u597d\u4e86\uff0c\u73b0\u5728\u6211\u4eec\u5df2\u5c06\u6b64\u529f\u80fd\u6dfb\u52a0\u5230\u6211\u4eec\u7684 car \u7c7b\u4e2d\u3002\u90a3\u4e48\u8fd9\u5bf9\u6211\u4eec\u610f\u5473\u7740\u4ec0\u4e48\u5462\uff1f\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u9075\u5faa\u6211\u4eec\u7684\u6c7d\u8f66\u6a21\u677f\u7684\u5bf9\u8c61\u7684\u8bb8\u591a\u5b9e\u4f8b\uff01\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u51e0\u79cd\u4e0d\u540c\u7684\u65b9\u5f0f\u6765\u5b9a\u4e49\u7c7b\uff0c\u56e0\u6b64\u4e0d\u8981\u89c9\u5f97\u60a8\u5728\u8fd9\u91cc\u53d7\u5230\u592a\u591a\u9650\u5236\uff01<\/p>\n
      \n
      \u6211\u5e0c\u671b\u8fd9\u4e2a\u4ecb\u7ecd\u80fd\u8ba9\u60a8\u4e86\u89e3 python \u548c\u5176\u4ed6\u8bed\u8a00\u4e4b\u95f4\u7684\u5dee\u5f02\u3002\u6211\u4ecd\u5728\u5b66\u4e60\u5f88\u591a\u5173\u4e8e javascript \u548c\u5168\u6808\u5f00\u53d1\u7684\u77e5\u8bc6\uff0c\u6240\u4ee5\u4e0d\u5e78\u7684\u662f\u6211\u6ca1\u6709\u82b1\u90a3\u4e48\u591a\u65f6\u95f4\u5728 python \u4e0a\u3002\u7136\u800c\uff0c\u6211\u8ba4\u4e3a\u4f5c\u4e3a\u5f00\u53d1\u4eba\u5458\u63a2\u7d22\u9002\u5408\u60a8\u7684\u5de5\u5177\u5305\u7684\u9009\u9879\u662f\u4e00\u4ef6\u597d\u4e8b\uff01<\/p>\n
      \u5982\u679c\u60a8\u60f3\u4e86\u89e3\u66f4\u591a\u6709\u5173python\u7684\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u67e5\u770b\u6587\u6863\u4ee5\u6df1\u5165\u7814\u7a76\u6982\u5ff5\u3002\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u9002\u5408\u521d\u5b66\u8005\u7684\u6559\u7a0b\uff0c\u90a3\u4e48\u6211\u5f3a\u70c8\u5efa\u8bae\u60a8\u67e5\u770b learn python \u7ec4\u7ec7\u7f51\u7ad9\u3002<\/p>\n
      \u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aPython \u57fa\u672c\u4ecb\u7ecd\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6587\u7ae0\u77e5\u8bc6\uff01<\/p>\n
            \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb\u5220\u9664<\/p>\n","protected":false},"excerpt":{"rendered":"
      Python \u57fa\u672c\u4ecb\u7ecd \u4f60\u5728\u5b66\u4e60...<\/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-205042","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205042","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=205042"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205042\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205042"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205042"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205042"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}