1. \u51fd\u6570 <\/strong><\/div>\n
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\u4f5c\u7528\uff1a<\/span><\/p>\n
\u51fd\u6570\u662f\u7ec4\u7ec7\u597d\u7684\uff0c\u53ef\u91cd\u590d\u4f7f\u7528\u7684\uff0c\u7528\u6765\u5b9e\u73b0\u5355\u4e00\uff0c\u6216\u76f8\u5173\u8054\u529f\u80fd\u7684\u4ee3\u7801\u6bb5\u3002\u51fd\u6570\u7684\u4f5c\u7528\u5c31\u662f\u5c06\u5e38\u7528\u7684\u4ee3\u7801\u5c01\u88c5\u8d77\u6765, \u4fbf\u4e8e\u4ee5\u540e\u4f7f\u7528<\/span><\/p>\n<\/li>\n
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\u51fd\u6570\u7684\u884c\u4e3a<\/span><\/p>\n
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\n
\u51fd\u6570\u7684\u5b9a\u4e49\uff1a\u5b9e\u73b0\u51fd\u6570\u529f\u80fd\u7684\u8fc7\u7a0b<\/span><\/p>\n
def<\/span> functionname<\/span>(<\/span> parameters<\/span> )<\/span>:\r\n <\/span>'''<\/span>\u51fd\u6570_\u6587\u6863\u5b57\u7b26\u4e32<\/span>'''<\/span>\r\n function_suite<\/span>\r\n return<\/span> [<\/span>expression<\/span>]<\/span>\r\n\u200b<\/span>\r\n# \u51fd\u6570\u4e0d\u8c03\u7528\u662f\u4e0d\u4f1a\u81ea\u52a8\u6267\u884c\u7684<\/span><\/span><\/pre>\n<\/li>\n
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\u51fd\u6570\u7684\u8c03\u7528\uff1a\u4f7f\u7528\u5176\u529f\u80fd<\/span><\/p>\n
def<\/span> \u51fd\u6570\u540d<\/span>():<\/span>\r\n \u00a0 \u00a0\u4e00\u884c\u6216\u8005\u591a\u884c\u4ee3\u7801<\/span><\/span>\r\n\u200b<\/span>\r\n# \u51fd\u6570\u4e0d\u8c03\u7528\u662f\u4e0d\u4f1a\u81ea\u52a8\u6267\u884c\u7684<\/span><\/span>\r\n\u200b<\/span>\r\n# \u8c03\u7528\u51fd\u6570<\/span><\/span>\r\n\u51fd\u6570\u540d<\/span>()<\/span><\/pre>\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n
2. \u51fd\u6570\u7684\u53c2\u6570 <\/strong><\/div>\n
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\u4f5c\u7528\uff1a<\/span><\/p>\n
\u8ba9\u51fd\u6570\u4f9d\u636e\u6211\u4eec\u7ed9\u5b9a\u7684\u503c\u6765\u8fdb\u884c\u8fd0\u7b97. \u8fd9\u6837\u53ef\u4ee5\u589e\u5f3a\u51fd\u6570\u7684\u901a\u7528\u6027. \u51fd\u6570\u53ef\u4ee5\u6709\u591a\u4e2a\u53c2\u6570.<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
# \u6211\u4eec\u60f3\u8981\u7f16\u5199\u4e00\u4e2a\u5177\u6709\u52a0\u6cd5\u529f\u80fd\u51fd\u6570, \u5f88\u663e\u7136\u9700\u8981\u4e24\u4e2a\u53c2\u6570.<\/span><\/span>\r\ndef<\/span> my_add<\/span>(num1<\/span>, num2<\/span>):<\/span>\r\n \u00a0 \u00a0result<\/span> = num1<\/span> +<\/span> num2<\/span><\/span>\r\n \u00a0 \u00a0print<\/span>('num1 + num2 ='<\/span>, result<\/span>)<\/span>\r\n\u200b<\/span>\r\nmy_add<\/span>(10<\/span>, 20<\/span>)<\/span><\/pre>\n
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\u53c2\u6570\u7684\u5206\u7c7b<\/span><\/p>\n
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\n
\u5b9e\u53c2\uff1a\u6211\u4eec\u5728\u8c03\u7528\u51fd\u6570\u65f6\u4f20\u9012\u7684<\/span>\u771f\u5b9e\u6570\u636e<\/span><\/strong><\/span><\/p>\n<\/li>\n
\n
\u5f62\u53c2\uff1a<\/span>\u51fd\u6570\u53c2\u6570<\/span><\/strong><\/span>\uff0c\u5f62\u53c2\b\u53ea\u662f\u4ee3\u8868\u771f\u5b9e\u4f20\u9012\u7684\u6570\u503c.<\/span> \u591a\u4e2a\u51fd\u6570\u53c2\u6570\u5728\u4f20\u9012\u65f6\u662f\u4ece\u5de6\u5411\u53f3\u4f20\u9012\u7684. \u5f53\u7136, \u5728 Python \u4e2d\u6211\u4eec\u4e5f\u53ef\u4ee5\u6307\u5b9a\u67d0\u4e2a\u503c\u7ed9\u90a3\u4e2a\u5f62\u53c2.<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
def<\/span> my_add<\/span>(num1<\/span>, num2<\/span>):<\/span>\r\n \u00a0 result<\/span> = num1<\/span> +<\/span> num2<\/span><\/span>\r\n \u00a0 print<\/span>('num1 + num2 ='<\/span>, result<\/span>)<\/span>\r\n\u200b<\/span>\r\nmy_add<\/span>(num1<\/span>=10<\/span>, num2<\/span>=20<\/span>)<\/span>\r\nmy_add<\/span>(num2<\/span>=20<\/span>, num1<\/span>=10<\/span>)<\/span><\/pre>\n
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\u6309\u7167\u4ece\u5de6\u5411\u53f3\u7684\u987a\u5e8f\u4f20\u9012\u53eb\u505a<\/span>\u4f4d\u7f6e\u53c2\u6570<\/span><\/strong><\/span>.<\/span><\/p>\n<\/li>\n
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\u6309\u7167\u5f62\u53c2\u540d\u5b57\u4f20\u9012\u53eb\u505a<\/span>\u5173\u952e\u5b57\u53c2\u6570<\/span><\/strong><\/span>.<\/span><\/p>\n<\/li>\n<\/ol>\n
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\u80fd\u5426\u5728\u8c03\u7528\u51fd\u6570\u65f6\u65e2\u4f20\u9012<\/span>\u4f4d\u7f6e\u53c2\u6570<\/span><\/strong><\/span>, \u53c8\u4f20\u9012<\/span>\u5173\u952e\u5b57\u53c2\u6570<\/span><\/strong><\/span>\u5462?<\/span><\/p>\n<\/blockquote>\n
def<\/span> my_add<\/span>(num1<\/span>, num2<\/span>, num3<\/span>, num4<\/span>):<\/span>\r\n result<\/span> = num1<\/span> +<\/span> num2<\/span> +<\/span> num3<\/span> +<\/span> num4<\/span><\/span>\r\n return<\/span> result<\/span><\/span>\r\nmy_add<\/span>(100<\/span>, 200<\/span>, 300<\/span>, num4<\/span>=10<\/span>)<\/span><\/pre>\n
\u53ef\u4ee5, \u53ea\u9700\u8981\u4fdd\u8bc1\u4f4d\u7f6e\u53c2\u6570\u5728\u5173\u952e\u5b57\u53c2\u6570\u4e4b\u524d\u5373\u53ef<\/span><\/p>\n
3. \u51fd\u6570\u7684\u7f3a\u7701\u53c2\u6570(\u9ed8\u8ba4\u53c2\u6570) <\/strong><\/div>\n
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\u5b9a\u4e49\uff1a<\/span><\/p>\n
\u5f53\u51fd\u6570\u8c03\u7528\u4e2d\u7701\u7565\u4e86\u5b9e\u53c2\u65f6\u9ed8\u8ba4\u4f7f\u7528\u7684\u503c.<\/span><\/p>\n<\/li>\n
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\u9ed8\u8ba4\u53c2\u6570\u7684\u8bed\u6cd5\u4e0e\u4f7f\u7528\uff1a<\/span><\/p>\n
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\u5728\u51fd\u6570\u58f0\u660e\u6216\u5b9a\u4e49\u65f6, \u76f4\u63a5\u5bf9\u53c2\u6570\u8d4b\u503c. \u8fd9\u5c31\u662f\u8bbe\u7f6e\u5f62\u53c2\u7684\u9ed8\u8ba4\u53c2\u6570.<\/span><\/p>\n<\/li>\n
\n
\u5728\u51fd\u6570\u8c03\u7528\u65f6, \u7701\u7565\u90e8\u5206\u6216\u5168\u90e8\u7684\u53c2\u6570. \u8fd9\u65f6\u53ef\u4ee5\u7528\u9ed8\u8ba4\u53c2\u6570\u6765\u4ee3\u66ff.<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n
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\u6848\u4f8b\u5206\u6790\uff1a<\/span><\/p>\n<\/li>\n<\/ol>\n
def<\/span> my_function<\/span>(a<\/span>, b<\/span>=20<\/span>, c<\/span>=30<\/span>):<\/span>\r\n \u00a0 \u00a0return<\/span> a<\/span>+<\/span>b<\/span>+<\/span>c<\/span><\/span>\r\n\u200b<\/span>\r\nmy_function<\/span>(10<\/span>)<\/span>\r\nmy_function<\/span>(10<\/span>, 100<\/span>)<\/span>\r\nmy_function<\/span>(10<\/span>, 100<\/span>, 1000<\/span>)<\/span><\/pre>\n
\u6ce8\u610f: \u5e26\u6709\u9ed8\u8ba4\u503c\u7684\u53c2\u6570\u4e00\u5b9a\u8981\u4f4d\u4e8e\u53c2\u6570\u5217\u8868\u7684\u6700\u540e\u9762.<\/span><\/strong><\/span><\/p>\n
4. \u5c40\u90e8\u53d8\u91cf\u548c\u5168\u5c40\u53d8\u91cf <\/strong><\/div>\n
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\u5168\u5c40\u53d8\u91cf: <\/span><\/p>\n
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\u5728\u51fd\u6570\u5916\u90e8\u5b9a\u4e49\u7684\u53d8\u91cf. <\/span><\/p>\n<\/li>\n
\n
\u5168\u5c40\u6307\u7684\u662f\b\u8be5\u53d8\u91cf\u5728\u5f53\u524d python \u6587\u4ef6\u8303\u56f4\u5185\u662f\u53ef\u89c1\u7684.<\/span><\/p>\n<\/li>\n
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\u4f7f\u7528\u8303\u56f4\uff1a<\/span><\/p>\n
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\u5168\u5c40\u53d8\u91cf\u53ef\u4ee5\u88ab\u5f53\u524d python \u6587\u4ef6\u5185\u7684\u6240\u6709\u51fd\u6570\u76f4\u63a5\u4f7f\u7528.<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n
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\u5c40\u90e8\u53d8\u91cf:<\/span><\/p>\n
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\u5728\u51fd\u6570\u5185\u90e8\u5b9a\u4e49\u7684\u53d8\u91cf. <\/span><\/p>\n<\/li>\n
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\u4f7f\u7528\u8303\u56f4\uff1a<\/span><\/p>\n
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\u8be5\u53d8\u91cf\u53ea\u80fd\u5728\u5b9a\u4e49\u7684\u51fd\u6570\u5185\u90e8\u4f7f\u7528.<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n
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\u6848\u4f8b\u5206\u6790\uff1a<\/span><\/p>\n<\/li>\n<\/ol>\n
# \u5b9a\u4e49\u5168\u5c40\u53d8\u91cf<\/span><\/span>\r\ng_val<\/span> = 100<\/span><\/span>\r\n\u200b<\/span>\r\n\u200b<\/span>\r\n# \u5728\u51fd\u6570\u5185\u90e8\u53ef\u4ee5\u8bbf\u95ee\u5168\u5c40\u53d8\u91cf<\/span><\/span>\r\ndef<\/span> my_function1<\/span>():<\/span>\r\n \u00a0 \u00a0print<\/span>(g_val<\/span>)<\/span>\r\n\u200b<\/span>\r\n\u200b<\/span>\r\n# \u5728\u51fd\u6570\u5185\u90e8\u5b9a\u4e49\u5c40\u90e8\u53d8\u91cf my_val<\/span><\/span>\r\ndef<\/span> my_function2<\/span>():<\/span>\r\n \u00a0 \u00a0my_val<\/span> = 100<\/span><\/span>\r\n\u200b<\/span>\r\n\u200b<\/span>\r\n# \u5c1d\u8bd5\u8f93\u51fa my_function2 \u51fd\u6570\u4e2d\u5b9a\u4e49\u7684\u5c40\u90e8\u53d8\u91cf<\/span><\/span>\r\ndef<\/span> my_function3<\/span>():<\/span>\r\n \u00a0 \u00a0print<\/span>(my_val<\/span>)<\/span>\r\n\u200b<\/span>\r\n\u200b<\/span>\r\n# \u51fd\u6570\u8c03\u7528<\/span><\/span>\r\nmy_function1<\/span>()<\/span>\r\nmy_function2<\/span>()<\/span>\r\nmy_function3<\/span>()<\/span><\/pre>\n
\n
\u5982\u679c\u5c40\u90e8\u53d8\u91cf\u548c\u5168\u5c40\u53d8\u91cf\u547d\u540d\u51b2\u7a81, Python \u89e3\u91ca\u5668\u4f1a\u600e\u4e48\u505a?
\nPython \u89e3\u91ca\u5668\u4f1a\u5728\u51fd\u6570\u5185\u90e8\u641c\u7d22\u53d8\u91cf total_value, \u5982\u679c\u627e\u5230\u4e86\u5c31\u76f4\u63a5\u4f7f\u7528, \u5982\u679c\u627e\u4e0d\u5230\u5219\u5230\u5168\u5c40\u8303\u56f4\u5185\u641c\u7d22.<\/p>\n<\/blockquote>\n
total_value<\/span> = 100<\/span><\/span>\r\n\u200b<\/span>\r\n\u200b<\/span>\r\ndef<\/span> my_function<\/span>():<\/span>\r\n \u00a0 \u00a0total_value<\/span> = 200<\/span><\/span>\r\n \u00a0 \u00a0print<\/span>('total_value:'<\/span>, total_value<\/span>)<\/span>\r\n\u200b<\/span>\r\n\u200b<\/span>\r\nmy_function<\/span>()<\/span><\/pre>\n
5. \u51fd\u6570\u7684\u8fd4\u56de\u503c <\/strong><\/div>\n
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\u7528\u6cd5\uff1a<\/span><\/p>\n
\u4f7f\u7528 return \u8bed\u53e5\u5c06\u51fd\u6570\u7684\u8fd0\u884c\u7ed3\u679c\u8fd4\u56de\u7ed9\u51fd\u6570\u7684\u8c03\u7528\u8005.<\/span><\/p>\n<\/li>\n
\n
print\u51fd\u6570 \u548c return \u7684\u533a\u522b\u662f\u4ec0\u4e48?<\/span><\/p>\n
print \u53ea\u8d1f\u8d23\u5c06\u5185\u5bb9\u8f93\u51fa\u5230\u5c4f\u5e55\u663e\u793a. \u800c return \u4f1a\u5c06\u51fd\u6570\u8ba1\u7b97\u7ed3\u679c, \u8fd4\u56de\u7ed9\u51fd\u6570\u7684\u8c03\u7528\u8005.<\/span><\/li>\n
\n
\u5173\u4e8e return \u6ce8\u610f\u4e0b\u4ee5\u4e0b\u51e0\u70b9.<\/span><\/strong><\/span><\/p>\n
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\u53ea\u8981\u51fd\u6570\u6267\u884c\u78b0\u5230 return \u5c31\u4f1a\u505c\u6b62\u6267\u884c.<\/span><\/p>\n<\/li>\n
\n
\u51fd\u6570\u4e2d\u53ef\u4ee5\u7f16\u5199\u591a\u4e2a return, \u4f46\u6709\u4e14\u53ea\u6709\u4e00\u4e2a return \u4f1a\u6267\u884c.<\/span><\/p>\n<\/li>\n
\n
return \u540e\u9762\u53ef\u4ee5\u8ddf\u4e0a\u8981\u8fd4\u56de\u7684\u503c, \u4e5f\u5355\u72ec\u4f7f\u7528\u76f8\u5f53\u4e8e return None.<\/span><\/p>\n<\/li>\n
\n
break \u7528\u5728\u5faa\u73af\u4e2d, \u7528\u6765\u7ec8\u6b62\u5faa\u73af\u6267\u884c. return \u7528\u5728\u51fd\u6570\u4e2d, \u7528\u6765\u7ec8\u6b62\u51fd\u6570\u6267\u884c.<\/span><\/p>\n<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n
6. \u51fd\u6570\u6587\u6863\u53ca\u4f5c\u7528 <\/strong><\/div>\n
\n
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\u4f5c\u7528\uff1a<\/span><\/p>\n
\n
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\u51fd\u6570\u4e5f\u9700\u8981\u6dfb\u52a0\u6ce8\u91ca, \u65b9\u4fbf\u51fd\u6570\u529f\u80fd\u3001\u53c2\u6570\u4ee5\u53ca\u8fd4\u56de\u503c\u7684\u542b\u4e49\u80fd\u591f\u88ab\u8c03\u7528\u8005\u77e5\u6089. <\/span><\/p>\n<\/li>\n
\n
\u80fd\u591f\u5728\u8c03\u7528\u65f6\u5feb\u6377\u67e5\u770b\u51fd\u6570\u76f8\u5173\u4fe1\u606f<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n
\n
\u548c\u5355\u884c\u6ce8\u91ca\u76f8\u6bd4\uff1a<\/span><\/p>\n
\n
\n
\u666e\u901a\u7684\u5355\u884c\u3001\u591a\u884c\u6ce8\u91ca, \u9700\u8981\u67e5\u770b\u51fd\u6570\u5b9a\u4e49\u65f6\u624d\u80fd\u770b\u5230<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n
\n
\u5feb\u6377\u952e<\/span><\/p>\n
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\u901a\u8fc7 ctrl + q \u5feb\u6377\u952e\u53ef\u4ee5\u67e5\u770b\u51fd\u6570\u4fe1\u606f, \u4e5f\u53ef\u4ee5\u901a\u8fc7 help() \u51fd\u6570\u6765\u67e5\u770b\u51fd\u6570\u4fe1\u606f<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n
\n
\u5de5\u5177\uff1a<\/span><\/p>\n
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DocString \u662f\u4e00\u4e2a\u91cd\u8981\u7684\u5de5\u5177, \u7531\u4e8e\u5b83\u5e2e\u52a9\u4f60\u7684\u7a0b\u5e8f\u6587\u6863\u66f4\u52a0\u7b80\u5355\u6613\u61c2.<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"
\u4f5c\u7528\uff1a \u51fd\u6570\u662f\u7ec4\u7ec7\u597d\u7684\uff0c\u53ef\u91cd\u590d\u4f7f\u7528\u7684\uff0c\u7528\u6765\u5b9e\u73b0\u5355\u4e00\uff0c\u6216\u76f8\u5173\u8054\u529f\u80fd\u7684\u4ee3\u7801\u6bb5\u3002\u51fd\u6570\u7684\u4f5c\u7528\u5c31\u662f\u5c06\u5e38\u7528\u7684\u4ee3\u7801\u5c01\u88c5\u8d77\u6765, […]<\/p>\n","protected":false},"author":643,"featured_media":170410,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-170382","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/170382","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/643"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=170382"}],"version-history":[{"count":11,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/170382\/revisions"}],"predecessor-version":[{"id":170452,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/170382\/revisions\/170452"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/170410"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=170382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=170382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=170382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}