![\"python\u4e2d\u5982\u4f55\u6dfb\u52a0\u51fd\u6570\"](\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24205812\/5dccb330-d709-4607-8b44-4c20c23d996b.webp\")
<\/p>\n<\/p>\n
\u5728Python\u4e2d\u6dfb\u52a0\u51fd\u6570\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u201cdef\u201d\u5173\u952e\u5b57\u5b9a\u4e49\u51fd\u6570\u3001\u5c06\u51fd\u6570\u4f5c\u4e3a\u6a21\u5757\u5bfc\u5165\u3001\u4f7f\u7528lambda\u8868\u8fbe\u5f0f\u521b\u5efa\u533f\u540d\u51fd\u6570<\/strong>\u3002\u5b9a\u4e49\u51fd\u6570\u662fPython\u4e2d\u6700\u5e38\u7528\u7684\u65b9\u6cd5\uff0c\u4ee3\u7801\u6e05\u6670\u6613\u8bfb\u3002\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\u540e\uff0c\u53ef\u4ee5\u5728\u4ee3\u7801\u7684\u4efb\u4f55\u5730\u65b9\u8c03\u7528\u5b83\uff0c\u5927\u5927\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u590d\u7528\u6027\u548c\u53ef\u8bfb\u6027\u3002\u6211\u4eec\u5c06\u8be6\u7ec6\u8ba8\u8bba\u5982\u4f55\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u5e76\u63d0\u4f9b\u51fd\u6570\u7684\u53c2\u6570\u548c\u8fd4\u56de\u503c\uff0c\u4ee5\u4fbf\u5728Python\u7a0b\u5e8f\u4e2d\u66f4\u6709\u6548\u5730\u4f7f\u7528\u5b83\u4eec\u3002<\/p>\n<\/p>\n \u5b9a\u4e49\u51fd\u6570\u662fPython\u4e2d\u5b9e\u73b0\u4ee3\u7801\u590d\u7528\u7684\u57fa\u672c\u65b9\u5f0f\u3002\u901a\u8fc7\u4f7f\u7528 \u5728Python\u4e2d\uff0c\u5b9a\u4e49\u51fd\u6570\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n """docstring"""<\/p>\n statement(s)<\/p>\n return [expression]<\/p>\n <\/code><\/pre>\n<\/p>\n \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u51fd\u6570\u793a\u4f8b\uff1a<\/p>\n<\/p>\n """\u663e\u793a\u7b80\u5355\u7684\u95ee\u5019\u8bed"""<\/p>\n print(f"Hello, {name}!")<\/p>\n greet("Alice")<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c Python\u51fd\u6570\u53ef\u4ee5\u901a\u8fc7\u53c2\u6570\u63a5\u6536\u8f93\u5165\uff0c\u8fd9\u4e9b\u53c2\u6570\u53ef\u4ee5\u662f\u4f4d\u7f6e\u53c2\u6570\u3001\u9ed8\u8ba4\u53c2\u6570\u3001\u53ef\u53d8\u957f\u53c2\u6570\u7b49\u3002<\/p>\n<\/p>\n \u4f4d\u7f6e\u53c2\u6570\u662f\u6700\u5e38\u7528\u7684\u53c2\u6570\u7c7b\u578b\uff0c\u8c03\u7528\u51fd\u6570\u65f6\uff0c\u5b9e\u53c2\u6309\u7167\u4f4d\u7f6e\u4f20\u9012\u7ed9\u5f62\u53c2\u3002<\/p>\n<\/p>\n return a * b<\/p>\n result = multiply(3, 4)<\/p>\n print(result) # \u8f93\u51fa: 12<\/p>\n <\/code><\/pre>\n<\/p>\n \u9ed8\u8ba4\u53c2\u6570\u5141\u8bb8\u5728\u51fd\u6570\u5b9a\u4e49\u65f6\u4e3a\u53c2\u6570\u63d0\u4f9b\u9ed8\u8ba4\u503c\uff0c\u8c03\u7528\u65f6\u53ef\u4ee5\u7701\u7565\u3002<\/p>\n<\/p>\n print(f"{message}, {name}!")<\/p>\n greet("Alice") # \u8f93\u51fa: Hello, Alice!<\/p>\n greet("Bob", "Hi") # \u8f93\u51fa: Hi, Bob!<\/p>\n <\/code><\/pre>\n<\/p>\n \u53ef\u53d8\u957f\u53c2\u6570\u5141\u8bb8\u51fd\u6570\u63a5\u53d7\u4efb\u610f\u6570\u91cf\u7684\u53c2\u6570\uff0c\u4f7f\u7528 return sum(args)<\/p>\n print(add(1, 2, 3)) # \u8f93\u51fa: 6<\/p>\n def display_info(kwargs):<\/p>\n for key, value in kwargs.items():<\/p>\n print(f"{key}: {value}")<\/p>\n display_info(name="Alice", age=25) # \u8f93\u51fa: name: Alice, age: 25<\/p>\n <\/code><\/pre>\n<\/p>\n \u51fd\u6570\u53ef\u4ee5\u8fd4\u56de\u4e00\u4e2a\u503c\u6216\u591a\u4e2a\u503c\uff0c\u901a\u8fc7 \u51fd\u6570\u53ef\u4ee5\u8fd4\u56de\u4e00\u4e2a\u503c\u7ed9\u8c03\u7528\u8005\u3002<\/p>\n<\/p>\n return x * x<\/p>\n result = square(5)<\/p>\n print(result) # \u8f93\u51fa: 25<\/p>\n <\/code><\/pre>\n<\/p>\n \u901a\u8fc7\u8fd4\u56de\u4e00\u4e2a\u5143\u7ec4\uff0c\u51fd\u6570\u53ef\u4ee5\u8fd4\u56de\u591a\u4e2a\u503c\u3002<\/p>\n<\/p>\n return b, a<\/p>\n x, y = swap(1, 2)<\/p>\n print(x, y) # \u8f93\u51fa: 2 1<\/p>\n <\/code><\/pre>\n<\/p>\n \u533f\u540d\u51fd\u6570\u662f\u6ca1\u6709\u540d\u5b57\u7684\u51fd\u6570\uff0c\u901a\u5e38\u7528\u4e8e\u7b80\u5355\u7684\u64cd\u4f5c\u3002Python\u4e2d\u4f7f\u7528 \u533f\u540d\u51fd\u6570\u7684\u8bed\u6cd5\u4e3a\uff1a print(square(5)) # \u8f93\u51fa: 25<\/p>\n <\/code><\/pre>\n<\/p>\n \u533f\u540d\u51fd\u6570\u5e38\u7528\u4e8e\u6392\u5e8f\u3001\u8fc7\u6ee4\u7b49\u573a\u666f\u3002<\/p>\n<\/p>\n sorted_numbers = sorted(numbers, key=lambda x: x[1])<\/p>\n print(sorted_numbers) # \u8f93\u51fa: [(2, 2), (1, 3), (3, 4)]<\/p>\n <\/code><\/pre>\n<\/p>\n Python\u6a21\u5757\u662f\u4e00\u79cd\u7ec4\u7ec7\u4ee3\u7801\u7684\u65b9\u5f0f\uff0c\u51fd\u6570\u53ef\u4ee5\u88ab\u5b9a\u4e49\u5728\u6a21\u5757\u4e2d\uff0c\u5e76\u5728\u5176\u4ed6\u5730\u65b9\u5bfc\u5165\u4f7f\u7528\u3002<\/p>\n<\/p>\n\u4e00\u3001\u5b9a\u4e49\u51fd\u6570<\/h3>\n<\/p>\n
def<\/code>\u5173\u952e\u5b57\uff0c\u6211\u4eec\u53ef\u4ee5\u4e3a\u4e00\u7ec4\u7279\u5b9a\u7684\u64cd\u4f5c\u521b\u5efa\u4e00\u4e2a\u547d\u540d\u5757\u3002<\/p>\n<\/p>\n1\u3001\u51fd\u6570\u5b9a\u4e49\u8bed\u6cd5<\/h4>\n<\/p>\n
def function_name(parameters):<\/p>\n\n
2\u3001\u793a\u4f8b<\/h4>\n<\/p>\n
def greet(name):<\/p>\ngreet<\/code>\u662f\u51fd\u6570\u540d\uff0cname<\/code>\u662f\u53c2\u6570\uff0c\u51fd\u6570\u6253\u5370\u4e00\u6761\u95ee\u5019\u8bed\u3002<\/p>\n<\/p>\n\u4e8c\u3001\u51fd\u6570\u53c2\u6570<\/h3>\n<\/p>\n
1\u3001\u4f4d\u7f6e\u53c2\u6570<\/h4>\n<\/p>\n
def multiply(a, b):<\/p>\n2\u3001\u9ed8\u8ba4\u53c2\u6570<\/h4>\n<\/p>\n
def greet(name, message="Hello"):<\/p>\n3\u3001\u53ef\u53d8\u957f\u53c2\u6570<\/h4>\n<\/p>\n
*args<\/code>\u548ckwargs<\/code>\u6765\u5b9a\u4e49\u3002<\/p>\n<\/p>\ndef add(*args):<\/p>\n\u4e09\u3001\u51fd\u6570\u8fd4\u56de\u503c<\/h3>\n<\/p>\n
return<\/code>\u8bed\u53e5\u5b9e\u73b0\u3002<\/p>\n<\/p>\n1\u3001\u8fd4\u56de\u5355\u4e2a\u503c<\/h4>\n<\/p>\n
def square(x):<\/p>\n2\u3001\u8fd4\u56de\u591a\u4e2a\u503c<\/h4>\n<\/p>\n
def swap(a, b):<\/p>\n\u56db\u3001\u533f\u540d\u51fd\u6570<\/h3>\n<\/p>\n
lambda<\/code>\u5173\u952e\u5b57\u521b\u5efa\u533f\u540d\u51fd\u6570\u3002<\/p>\n<\/p>\n1\u3001\u521b\u5efa\u533f\u540d\u51fd\u6570<\/h4>\n<\/p>\n
lambda \u53c2\u6570: \u8868\u8fbe\u5f0f<\/code>\u3002<\/p>\n<\/p>\nsquare = lambda x: x * x<\/p>\n2\u3001\u4f7f\u7528\u573a\u666f<\/h4>\n<\/p>\n
numbers = [(2, 2), (3, 4), (1, 3)]<\/p>\n\u4e94\u3001\u5bfc\u5165\u51fd\u6570<\/h3>\n<\/p>\n
1\u3001\u521b\u5efa\u6a21\u5757<\/h4>\n<\/p>\n