{"id":1044362,"date":"2024-12-31T13:13:51","date_gmt":"2024-12-31T05:13:51","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1044362.html"},"modified":"2024-12-31T13:13:54","modified_gmt":"2024-12-31T05:13:54","slug":"python%e5%87%bd%e6%95%b0%e5%ae%9a%e4%b9%89%e6%97%b6%e5%a6%82%e4%bd%95%e4%bc%a0%e6%95%b0%e5%ad%97%e5%8f%82%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1044362.html","title":{"rendered":"python\u51fd\u6570\u5b9a\u4e49\u65f6\u5982\u4f55\u4f20\u6570\u5b57\u53c2\u6570"},"content":{"rendered":"

\"python\u51fd\u6570\u5b9a\u4e49\u65f6\u5982\u4f55\u4f20\u6570\u5b57\u53c2\u6570\"<\/p>\n

\u5728Python\u51fd\u6570\u5b9a\u4e49\u65f6\u4f20\u9012\u6570\u5b57\u53c2\u6570\u7684\u65b9\u6cd5\u6709\u591a\u79cd\u65b9\u5f0f\uff0c\u5305\u62ec\uff1a\u4f4d\u7f6e\u53c2\u6570\u3001\u5173\u952e\u5b57\u53c2\u6570\u3001\u9ed8\u8ba4\u53c2\u6570\u503c\u3001args\u3001<\/strong>kwargs\u3002\u4f4d\u7f6e\u53c2\u6570\u662f\u6700\u5e38\u7528\u7684\u65b9\u5f0f\uff0c\u76f4\u63a5\u5728\u51fd\u6570\u8c03\u7528\u65f6\u6309\u7167\u5b9a\u4e49\u987a\u5e8f\u4f20\u9012\u6570\u5b57\u5373\u53ef\u3002\u5173\u952e\u5b57\u53c2\u6570\u5219\u53ef\u4ee5\u5728\u51fd\u6570\u8c03\u7528\u65f6\u4f7f\u7528\u53c2\u6570\u540d\u660e\u786e\u4f20\u9012\u3002\u9ed8\u8ba4\u53c2\u6570\u503c\u5141\u8bb8\u5728\u5b9a\u4e49\u51fd\u6570\u65f6\u4e3a\u53c2\u6570\u8d4b\u521d\u59cb\u503c\u3002<\/em>*<\/p>\n<\/p>\n

\u4f4d\u7f6e\u53c2\u6570<\/strong>\uff1a\u8fd9\u662f\u6700\u7b80\u5355\u548c\u76f4\u63a5\u7684\u65b9\u5f0f\uff0c\u51fd\u6570\u8c03\u7528\u65f6\u6309\u7167\u5b9a\u4e49\u7684\u987a\u5e8f\u4f20\u9012\u53c2\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

def add(a, b):<\/p>\n
    return a + b<\/p>\n
result = add(3, 5)<\/p>\n
print(result)  # \u8f93\u51fa: 8<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c3<\/code>\u548c5<\/code>\u4f5c\u4e3a\u4f4d\u7f6e\u53c2\u6570\u4f20\u9012\u7ed9\u51fd\u6570add<\/code>\uff0c\u6309\u7167\u5b9a\u4e49\u7684\u987a\u5e8f\uff0c3<\/code>\u8d4b\u503c\u7ed9\u53c2\u6570a<\/code>\uff0c5<\/code>\u8d4b\u503c\u7ed9\u53c2\u6570b<\/code>\u3002<\/p>\n<\/p>\n
\u5173\u952e\u5b57\u53c2\u6570<\/strong>\uff1a\u901a\u8fc7\u53c2\u6570\u540d\u6765\u4f20\u9012\u503c\uff0c\u53ef\u4ee5\u4e0d\u6309\u7167\u53c2\u6570\u5b9a\u4e49\u987a\u5e8f\u4f20\u9012\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def multiply(a, b):<\/p>\n
    return a * b<\/p>\n
result = multiply(a=4, b=6)<\/p>\n
print(result)  # \u8f93\u51fa: 24<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u901a\u8fc7\u53c2\u6570\u540da<\/code>\u548cb<\/code>\u660e\u786e\u4f20\u9012\u503c4<\/code>\u548c6<\/code>\u3002<\/p>\n<\/p>\n
\u9ed8\u8ba4\u53c2\u6570\u503c<\/strong>\uff1a\u5728\u51fd\u6570\u5b9a\u4e49\u65f6\u4e3a\u53c2\u6570\u8d4b\u4e00\u4e2a\u9ed8\u8ba4\u503c\uff0c\u5982\u679c\u8c03\u7528\u65f6\u4e0d\u63d0\u4f9b\u8be5\u53c2\u6570\uff0c\u5219\u4f7f\u7528\u9ed8\u8ba4\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def power(base, exponent=2):<\/p>\n
    return base  exponent<\/p>\n
print(power(3))     # \u8f93\u51fa: 9, \u4f7f\u7528\u9ed8\u8ba4\u7684\u6307\u65702<\/p>\n
print(power(2, 3))  # \u8f93\u51fa: 8, \u4f7f\u7528\u63d0\u4f9b\u7684\u6307\u65703<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5982\u679c\u5728\u8c03\u7528power<\/code>\u51fd\u6570\u65f6\u6ca1\u6709\u63d0\u4f9bexponent<\/code>\u53c2\u6570\uff0c\u5b83\u5c06\u4f7f\u7528\u9ed8\u8ba4\u503c2<\/code>\u3002<\/p>\n<\/p>\n
\u53ef\u53d8\u53c2\u6570<\/strong>\uff1a\u6709\u65f6\u6211\u4eec\u9700\u8981\u4f20\u9012\u53ef\u53d8\u6570\u91cf\u7684\u53c2\u6570\uff0c\u8fd9\u65f6\u53ef\u4ee5\u4f7f\u7528*args<\/code>\u6216kwargs<\/code>\u3002<\/p>\n<\/p>\n
def sum_all(*args):<\/p>\n
    return sum(args)<\/p>\n
print(sum_all(1, 2, 3, 4))  # \u8f93\u51fa: 10<\/p>\n
<\/code><\/pre>\n<\/p>\n
*args<\/code>\u5141\u8bb8\u6211\u4eec\u4f20\u9012\u4efb\u610f\u6570\u91cf\u7684\u53c2\u6570\u7ed9\u51fd\u6570\uff0c\u5728\u51fd\u6570\u5185\u90e8\uff0c\u5b83\u4eec\u88ab\u5f53\u4f5c\u4e00\u4e2a\u5143\u7ec4\u5904\u7406\u3002<\/p>\n<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u8ba8\u8bba\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u66f4\u591a\u793a\u4f8b\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u4f4d\u7f6e\u53c2\u6570<\/h3>\n<\/p>\n
\u4f4d\u7f6e\u53c2\u6570\u662f\u6307\u5728\u51fd\u6570\u8c03\u7528\u65f6\uff0c\u6309\u7167\u51fd\u6570\u5b9a\u4e49\u7684\u53c2\u6570\u987a\u5e8f\u4f20\u9012\u7684\u53c2\u6570\u3002\u8fd9\u662f\u6700\u57fa\u672c\u548c\u5e38\u7528\u7684\u53c2\u6570\u4f20\u9012\u65b9\u5f0f\u3002<\/p>\n<\/p>\n
\u793a\u4f8b<\/h4>\n<\/p>\n
def subtract(a, b):<\/p>\n
    return a - b<\/p>\n
result = subtract(10, 3)<\/p>\n
print(result)  # \u8f93\u51fa: 7<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u53c2\u657010<\/code>\u548c3<\/code>\u6309\u7167\u5b9a\u4e49\u7684\u987a\u5e8f\u4f20\u9012\u7ed9\u51fd\u6570subtract<\/code>\uff0c\u5206\u522b\u8d4b\u503c\u7ed9a<\/code>\u548cb<\/code>\u3002<\/p>\n<\/p>\n
\u4f18\u70b9<\/h4>\n<\/p>\n