{"id":1182012,"date":"2025-01-15T18:58:23","date_gmt":"2025-01-15T10:58:23","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1182012.html"},"modified":"2025-01-15T18:58:26","modified_gmt":"2025-01-15T10:58:26","slug":"python%e5%87%bd%e6%95%b0%e5%a6%82%e4%bd%95%e5%ae%9a%e4%b9%89%e5%92%8c%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1182012.html","title":{"rendered":"python\u51fd\u6570\u5982\u4f55\u5b9a\u4e49\u548c\u4f7f\u7528"},"content":{"rendered":"

\"python\u51fd\u6570\u5982\u4f55\u5b9a\u4e49\u548c\u4f7f\u7528\"<\/p>\n

Python\u51fd\u6570\u7684\u5b9a\u4e49\u548c\u4f7f\u7528\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\u8fdb\u884c\uff1a\u5b9a\u4e49\u51fd\u6570\u4f7f\u7528def\u5173\u952e\u5b57\u3001\u51fd\u6570\u540d\u5e94\u6709\u610f\u4e49\u3001\u5305\u542b\u53c2\u6570\u548c\u8fd4\u56de\u503c\u3001\u5728\u51fd\u6570\u4f53\u5185\u7f16\u5199\u4ee3\u7801\u3001\u8c03\u7528\u51fd\u6570\u3002<\/strong> \u5176\u4e2d\uff0c\u51fd\u6570\u7684\u5b9a\u4e49\u548c\u8c03\u7528\u662f\u6838\u5fc3\u90e8\u5206\uff0c\u63a5\u4e0b\u6765\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5b9a\u4e49\u548c\u4f7f\u7528Python\u51fd\u6570\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u5b9a\u4e49\u51fd\u6570<\/h3>\n<\/p>\n

Python\u51fd\u6570\u662f\u4f7f\u7528def<\/code>\u5173\u952e\u5b57\u6765\u5b9a\u4e49\u7684\u3002\u51fd\u6570\u7684\u5b9a\u4e49\u5305\u62ec\u51fd\u6570\u540d\u3001\u53c2\u6570\u5217\u8868\u3001\u51fd\u6570\u4f53\u548c\u53ef\u9009\u7684\u8fd4\u56de\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n

def greet(name):<\/p>\n
    print(f"Hello, {name}!")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3agreet<\/code>\u7684\u51fd\u6570\uff0c\u5b83\u63a5\u53d7\u4e00\u4e2a\u53c2\u6570name<\/code>\uff0c\u5e76\u6253\u5370\u4e00\u4e2a\u95ee\u5019\u8bed\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u8c03\u7528\u51fd\u6570<\/h3>\n<\/p>\n
\u5b9a\u4e49\u51fd\u6570\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u51fd\u6570\u540d\u548c\u53c2\u6570\u6765\u8c03\u7528\u5b83\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
greet("Alice")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
Hello, Alice!<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u51fd\u6570\u53c2\u6570<\/h3>\n<\/p>\n
\u51fd\u6570\u53ef\u4ee5\u63a5\u53d7\u4efb\u610f\u6570\u91cf\u7684\u53c2\u6570\u3002\u53c2\u6570\u5206\u4e3a\u4f4d\u7f6e\u53c2\u6570\u548c\u5173\u952e\u5b57\u53c2\u6570\u3002<\/p>\n<\/p>\n
\u4f4d\u7f6e\u53c2\u6570<\/h4>\n<\/p>\n
\u4f4d\u7f6e\u53c2\u6570\u662f\u6700\u5e38\u89c1\u7684\u53c2\u6570\u7c7b\u578b\uff0c\u5b83\u4eec\u6309\u7167\u4f4d\u7f6e\u4f20\u9012\u7ed9\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def add(a, b):<\/p>\n
    return a + b<\/p>\n
result = add(3, 4)<\/p>\n
print(result)  # \u8f93\u51fa 7<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5173\u952e\u5b57\u53c2\u6570<\/h4>\n<\/p>\n
\u5173\u952e\u5b57\u53c2\u6570\u662f\u5728\u8c03\u7528\u51fd\u6570\u65f6\u660e\u786e\u6307\u5b9a\u53c2\u6570\u7684\u540d\u79f0\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def introduce(name, age):<\/p>\n
    print(f"My name is {name} and I am {age} years old.")<\/p>\n
introduce(name="Alice", age=30)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
My name is Alice and I am 30 years old.<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u9ed8\u8ba4\u53c2\u6570<\/h3>\n<\/p>\n
\u51fd\u6570\u53c2\u6570\u53ef\u4ee5\u6709\u9ed8\u8ba4\u503c\uff0c\u5982\u679c\u8c03\u7528\u65f6\u672a\u63d0\u4f9b\u53c2\u6570\uff0c\u5219\u4f7f\u7528\u9ed8\u8ba4\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def greet(name="Guest"):<\/p>\n
    print(f"Hello, {name}!")<\/p>\n
greet()  # \u8f93\u51fa Hello, Guest!<\/p>\n
greet("Alice")  # \u8f93\u51fa Hello, Alice!<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u53ef\u53d8\u53c2\u6570<\/h3>\n<\/p>\n
Python\u5141\u8bb8\u51fd\u6570\u63a5\u53d7\u53ef\u53d8\u6570\u91cf\u7684\u53c2\u6570\u3002\u53ef\u4ee5\u4f7f\u7528*args<\/code>\u548ckwargs<\/code>\u6765\u5904\u7406\u53ef\u53d8\u53c2\u6570\u3002<\/p>\n<\/p>\n
*args<\/h4>\n<\/p>\n
*args<\/code>\u7528\u4e8e\u63a5\u53d7\u4efb\u610f\u6570\u91cf\u7684\u4f4d\u7f6e\u53c2\u6570\uff0c\u5e76\u5c06\u5176\u4f5c\u4e3a\u4e00\u4e2a\u5143\u7ec4\u4f20\u9012\u7ed9\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def sum_numbers(*args):<\/p>\n
    return sum(args)<\/p>\n
result = sum_numbers(1, 2, 3, 4)<\/p>\n
print(result)  # \u8f93\u51fa 10<\/p>\n
<\/code><\/pre>\n<\/p>\n
kwargs<\/h4>\n<\/p>\n
kwargs<\/code>\u7528\u4e8e\u63a5\u53d7\u4efb\u610f\u6570\u91cf\u7684\u5173\u952e\u5b57\u53c2\u6570\uff0c\u5e76\u5c06\u5176\u4f5c\u4e3a\u4e00\u4e2a\u5b57\u5178\u4f20\u9012\u7ed9\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def print_info(kwargs):<\/p>\n
    for key, value in kwargs.items():<\/p>\n
        print(f"{key}: {value}")<\/p>\n
print_info(name="Alice", age=30, city="New York")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
name: Alice<\/p>\n
age: 30<\/p>\n
city: New York<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u8fd4\u56de\u503c<\/h3>\n<\/p>\n
\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528return<\/code>\u8bed\u53e5\u8fd4\u56de\u4e00\u4e2a\u503c\u3002\u5982\u679c\u6ca1\u6709return<\/code>\u8bed\u53e5\uff0c\u51fd\u6570\u9ed8\u8ba4\u8fd4\u56deNone<\/code>\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def multiply(a, b):<\/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
\u4e03\u3001\u6587\u6863\u5b57\u7b26\u4e32<\/h3>\n<\/p>\n
\u6587\u6863\u5b57\u7b26\u4e32\uff08docstring\uff09\u7528\u4e8e\u4e3a\u51fd\u6570\u6dfb\u52a0\u8bf4\u660e\u6587\u6863\u3002\u5b83\u4eec\u5728\u51fd\u6570\u5b9a\u4e49\u7684\u7b2c\u4e00\u884c\u4f7f\u7528\u4e09\u91cd\u5f15\u53f7\u8868\u793a\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def greet(name):<\/p>\n
    """<\/p>\n
    This function greets the person with the given name.<\/p>\n
    """<\/p>\n
    print(f"Hello, {name}!")<\/p>\n
print(greet.__doc__)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
This function greets the person with the given name.<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516b\u3001\u5d4c\u5957\u51fd\u6570<\/h3>\n<\/p>\n
Python\u5141\u8bb8\u5728\u4e00\u4e2a\u51fd\u6570\u5185\u90e8\u5b9a\u4e49\u53e6\u4e00\u4e2a\u51fd\u6570\uff0c\u8fd9\u79f0\u4e3a\u5d4c\u5957\u51fd\u6570\u6216\u5185\u90e8\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def outer_function(text):<\/p>\n
    def inner_function():<\/p>\n
        print(text)<\/p>\n
    inner_function()<\/p>\n
outer_function("Hello from inner function!")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
Hello from inner function!<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e5d\u3001\u9ad8\u9636\u51fd\u6570<\/h3>\n<\/p>\n
\u9ad8\u9636\u51fd\u6570\u662f\u63a5\u53d7\u4e00\u4e2a\u6216\u591a\u4e2a\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\uff0c\u6216\u8005\u8fd4\u56de\u4e00\u4e2a\u51fd\u6570\u4f5c\u4e3a\u7ed3\u679c\u7684\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570<\/h4>\n<\/p>\n
def apply_function(func, value):<\/p>\n
    return func(value)<\/p>\n
def square(x):<\/p>\n
    return x * x<\/p>\n
result = apply_function(square, 5)<\/p>\n
print(result)  # \u8f93\u51fa 25<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd4\u56de\u51fd\u6570<\/h4>\n<\/p>\n
def create_multiplier(n):<\/p>\n
    def multiplier(x):<\/p>\n
        return x * n<\/p>\n
    return multiplier<\/p>\n
double = create_multiplier(2)<\/p>\n
result = double(5)<\/p>\n
print(result)  # \u8f93\u51fa 10<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5341\u3001\u533f\u540d\u51fd\u6570<\/h3>\n<\/p>\n
\u533f\u540d\u51fd\u6570\u662f\u4f7f\u7528lambda<\/code>\u5173\u952e\u5b57\u5b9a\u4e49\u7684\u77ed\u5c0f\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
square = lambda x: x * x<\/p>\n
print(square(5))  # \u8f93\u51fa 25<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5341\u4e00\u3001\u9012\u5f52\u51fd\u6570<\/h3>\n<\/p>\n
\u9012\u5f52\u51fd\u6570\u662f\u76f4\u63a5\u6216\u95f4\u63a5\u8c03\u7528\u81ea\u8eab\u7684\u51fd\u6570\u3002\u4f8b\u5982\uff0c\u8ba1\u7b97\u9636\u4e58\u7684\u9012\u5f52\u51fd\u6570\uff1a<\/p>\n<\/p>\n
def factorial(n):<\/p>\n
    if n == 1:<\/p>\n
        return 1<\/p>\n
    else:<\/p>\n
        return n * factorial(n - 1)<\/p>\n
print(factorial(5))  # \u8f93\u51fa 120<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5341\u4e8c\u3001\u95ed\u5305<\/h3>\n<\/p>\n
\u95ed\u5305\u662f\u6307\u5728\u4e00\u4e2a\u51fd\u6570\u5185\u90e8\u5b9a\u4e49\u7684\u51fd\u6570\u53ef\u4ee5\u8bbf\u95ee\u5916\u90e8\u51fd\u6570\u7684\u53d8\u91cf\uff0c\u5373\u4f7f\u5728\u5916\u90e8\u51fd\u6570\u5df2\u7ecf\u6267\u884c\u5b8c\u6bd5\u4e4b\u540e\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def outer_function(msg):<\/p>\n
    def inner_function():<\/p>\n
        print(msg)<\/p>\n
    return inner_function<\/p>\n
closure = outer_function("Hello, World!")<\/p>\n
closure()  # \u8f93\u51fa Hello, World!<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5341\u4e09\u3001\u88c5\u9970\u5668<\/h3>\n<\/p>\n
\u88c5\u9970\u5668\u662f\u4fee\u6539\u6216\u589e\u5f3a\u51fd\u6570\u884c\u4e3a\u7684\u4e00\u79cd\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u901a\u5e38\u7528\u4e8e\u65e5\u5fd7\u8bb0\u5f55\u3001\u8bbf\u95ee\u63a7\u5236\u548c\u6027\u80fd\u6d4b\u91cf\u7b49\u573a\u666f\u3002\u88c5\u9970\u5668\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u63a5\u53d7\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u5e76\u8fd4\u56de\u4e00\u4e2a\u65b0\u51fd\u6570\u7684\u9ad8\u9636\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def decorator_function(original_function):<\/p>\n
    def wrapper_function():<\/p>\n
        print(f"Wrapper executed this before {original_function.__name__}")<\/p>\n
        return original_function()<\/p>\n
    return wrapper_function<\/p>\n
@decorator_function<\/p>\n
def display():<\/p>\n
    print("Display function ran")<\/p>\n
display()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
Wrapper executed this before display<\/p>\n
Display function ran<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5341\u56db\u3001\u751f\u6210\u5668<\/h3>\n<\/p>\n
\u751f\u6210\u5668\u662f\u4f7f\u7528yield<\/code>\u5173\u952e\u5b57\u7684\u7279\u6b8a\u51fd\u6570\uff0c\u53ef\u4ee5\u9010\u4e00\u751f\u6210\u503c\u800c\u4e0d\u662f\u4e00\u6b21\u6027\u8fd4\u56de\u6240\u6709\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def countdown(n):<\/p>\n
    while n > 0:<\/p>\n
        yield n<\/p>\n
        n -= 1<\/p>\n
for number in countdown(5):<\/p>\n
    print(number)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
5<\/p>\n
4<\/p>\n
3<\/p>\n
2<\/p>\n
1<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5341\u4e94\u3001\u5f02\u6b65\u51fd\u6570<\/h3>\n<\/p>\n
\u5f02\u6b65\u51fd\u6570\u4f7f\u7528async<\/code>\u548cawAI<\/a>t<\/code>\u5173\u952e\u5b57\u5b9a\u4e49\uff0c\u7528\u4e8e\u5f02\u6b65\u7f16\u7a0b\uff0c\u5141\u8bb8\u51fd\u6570\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\u6682\u505c\u5e76\u91ca\u653e\u63a7\u5236\u6743\uff0c\u4ee5\u4fbf\u5176\u4ed6\u4ee3\u7801\u53ef\u4ee5\u6267\u884c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import asyncio<\/p>\n
async def greet():<\/p>\n
    print("Hello,")<\/p>\n
    await asyncio.sleep(1)<\/p>\n
    print("World!")<\/p>\n
asyncio.run(greet())<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
Hello,<\/p>\n
World!<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5341\u516d\u3001\u51fd\u6570\u6ce8\u89e3<\/h3>\n<\/p>\n
\u51fd\u6570\u6ce8\u89e3\u7528\u4e8e\u63d0\u4f9b\u6709\u5173\u51fd\u6570\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7684\u5143\u6570\u636e\u3002\u867d\u7136\u6ce8\u89e3\u4e0d\u4f1a\u5f71\u54cd\u51fd\u6570\u7684\u6267\u884c\uff0c\u4f46\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def add(a: int, b: int) -> int:<\/p>\n
    return a + b<\/p>\n
print(add.__annotations__)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u5c06\u8f93\u51fa\uff1a<\/p>\n<\/p>\n
{'a': <class 'int'>, 'b': <class 'int'>, 'return': <class 'int'>}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5341\u4e03\u3001\u5e38\u89c1\u5185\u7f6e\u51fd\u6570<\/h3>\n<\/p>\n
Python \u63d0\u4f9b\u4e86\u4e00\u4e9b\u5e38\u89c1\u7684\u5185\u7f6e\u51fd\u6570\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u800c\u4e0d\u9700\u8981\u5b9a\u4e49\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
map()<\/h4>\n<\/p>\n
map()<\/code>\u51fd\u6570\u7528\u4e8e\u5c06\u6307\u5b9a\u51fd\u6570\u5e94\u7528\u4e8e\u53ef\u8fed\u4ee3\u5bf9\u8c61\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
numbers = [1, 2, 3, 4]<\/p>\n
squared = map(lambda x: x * x, numbers)<\/p>\n
print(list(squared))  # \u8f93\u51fa [1, 4, 9, 16]<\/p>\n
<\/code><\/pre>\n<\/p>\n
filter()<\/h4>\n<\/p>\n
filter()<\/code>\u51fd\u6570\u7528\u4e8e\u8fc7\u6ee4\u53ef\u8fed\u4ee3\u5bf9\u8c61\u4e2d\u7684\u5143\u7d20\uff0c\u5e76\u8fd4\u56de\u7b26\u5408\u6761\u4ef6\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
numbers = [1, 2, 3, 4, 5, 6]<\/p>\n
even_numbers = filter(lambda x: x % 2 == 0, numbers)<\/p>\n
print(list(even_numbers))  # \u8f93\u51fa [2, 4, 6]<\/p>\n
<\/code><\/pre>\n<\/p>\n
reduce()<\/h4>\n<\/p>\n
reduce()<\/code>\u51fd\u6570\u7528\u4e8e\u5c06\u53ef\u8fed\u4ee3\u5bf9\u8c61\u4e2d\u7684\u5143\u7d20\u9010\u6b65\u5408\u5e76\u4e3a\u4e00\u4e2a\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
from functools import reduce<\/p>\n
numbers = [1, 2, 3, 4]<\/p>\n
sum = reduce(lambda x, y: x + y, numbers)<\/p>\n
print(sum)  # \u8f93\u51fa 10<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5341\u516b\u3001\u51fd\u6570\u5f0f\u7f16\u7a0b<\/h3>\n<\/p>\n
\u51fd\u6570\u5f0f\u7f16\u7a0b\u662f\u4e00\u79cd\u7f16\u7a0b\u8303\u5f0f\uff0c\u5f3a\u8c03\u4f7f\u7528\u51fd\u6570\u548c\u4e0d\u53ef\u53d8\u6570\u636e\u3002Python \u652f\u6301\u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u4e00\u4e9b\u7279\u6027\uff0c\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
\u9ad8\u9636\u51fd\u6570<\/h4>\n<\/p>\n
\u9ad8\u9636\u51fd\u6570\u662f\u53ef\u4ee5\u63a5\u53d7\u5176\u4ed6\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u7684\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def apply_twice(func, arg):<\/p>\n
    return func(func(arg))<\/p>\n
def add_five(x):<\/p>\n
    return x + 5<\/p>\n
result = apply_twice(add_five, 10)<\/p>\n
print(result)  # \u8f93\u51fa 20<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u7eaf\u51fd\u6570<\/h4>\n<\/p>\n
\u7eaf\u51fd\u6570\u662f\u6307\u5728\u76f8\u540c\u8f93\u5165\u4e0b\u603b\u662f\u8fd4\u56de\u76f8\u540c\u8f93\u51fa\uff0c\u5e76\u4e14\u6ca1\u6709\u4efb\u4f55\u526f\u4f5c\u7528\u7684\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def pure_function(x, y):<\/p>\n
    return x + y<\/p>\n
print(pure_function(3, 4))  # \u8f93\u51fa 7<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u907f\u514d\u526f\u4f5c\u7528<\/h4>\n<\/p>\n
\u51fd\u6570\u5f0f\u7f16\u7a0b\u63d0\u5021\u907f\u514d\u526f\u4f5c\u7528\uff0c\u5373\u51fd\u6570\u4e0d\u5e94\u4fee\u6539\u5916\u90e8\u72b6\u6001\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
# \u907f\u514d\u526f\u4f5c\u7528\u7684\u7eaf\u51fd\u6570<\/p>\n
def add_to_list(lst, item):<\/p>\n
    return lst + [item]<\/p>\n
numbers = [1, 2, 3]<\/p>\n
new_numbers = add_to_list(numbers, 4)<\/p>\n
print(new_numbers)  # \u8f93\u51fa [1, 2, 3, 4]<\/p>\n
print(numbers)  # \u8f93\u51fa [1, 2, 3]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5341\u4e5d\u3001\u51fd\u6570\u7f13\u5b58<\/h3>\n<\/p>\n
\u51fd\u6570\u7f13\u5b58\u7528\u4e8e\u5b58\u50a8\u51fd\u6570\u8c03\u7528\u7684\u7ed3\u679c\uff0c\u4ee5\u4fbf\u5728\u76f8\u540c\u8f93\u5165\u4e0b\u53ef\u4ee5\u76f4\u63a5\u8fd4\u56de\u7f13\u5b58\u7684\u7ed3\u679c\uff0c\u4ece\u800c\u63d0\u9ad8\u6027\u80fd\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
from functools import lru_cache<\/p>\n
@lru_cache(maxsize=100)<\/p>\n
def fibonacci(n):<\/p>\n
    if n < 2:<\/p>\n
        return n<\/p>\n
    return fibonacci(n-1) + fibonacci(n-2)<\/p>\n
print(fibonacci(50))  # \u8f93\u51fa 12586269025<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u5341\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u5b9a\u4e49\u548c\u4f7f\u7528Python\u51fd\u6570\u662f\u7f16\u5199\u9ad8\u6548\u3001\u53ef\u91cd\u7528\u548c\u53ef\u7ef4\u62a4\u4ee3\u7801\u7684\u5173\u952e\u3002\u901a\u8fc7\u7406\u89e3\u51fd\u6570\u7684\u57fa\u672c\u6982\u5ff5\u3001\u53c2\u6570\u4f20\u9012\u65b9\u5f0f\u3001\u8fd4\u56de\u503c\u3001\u88c5\u9970\u5668\u3001\u751f\u6210\u5668\u548c\u5f02\u6b65\u51fd\u6570\u7b49\u9ad8\u7ea7\u7279\u6027\uff0c\u53ef\u4ee5\u5145\u5206\u5229\u7528Python\u7684\u5f3a\u5927\u529f\u80fd\uff0c\u7f16\u5199\u51fa\u66f4\u52a0\u7b80\u6d01\u548c\u9ad8\u6548\u7684\u4ee3\u7801\u3002\u5e0c\u671b\u901a\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u80fd\u591f\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u548c\u638c\u63e1Python\u51fd\u6570\u7684\u5b9a\u4e49\u548c\u4f7f\u7528\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u7b80\u5355\u7684\u51fd\u6570\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\u4f7f\u7528def<\/code>\u5173\u952e\u5b57\uff0c\u540e\u9762\u8ddf\u4e0a\u51fd\u6570\u540d\u79f0\u548c\u62ec\u53f7\u3002\u51fd\u6570\u4f53\u7f29\u8fdb\u4e66\u5199\uff0c\u53ef\u4ee5\u5305\u542b\u53c2\u6570\u548c\u8fd4\u56de\u503c\u3002\u4f8b\u5982\uff1a  <\/p>\n
def greet(name):  \n    return f"Hello, {name}!"  \n<\/code><\/pre>\n
\u8fd9\u4e2a\u51fd\u6570\u63a5\u6536\u4e00\u4e2a\u53c2\u6570name<\/code>\u5e76\u8fd4\u56de\u4e00\u4e2a\u95ee\u5019\u8bed\u3002<\/p>\n
\u5728Python\u4e2d\u53ef\u4ee5\u4f7f\u7528\u51fd\u6570\u7684\u54ea\u4e9b\u53c2\u6570\u7c7b\u578b\uff1f<\/strong>
Python\u652f\u6301\u591a\u79cd\u53c2\u6570\u7c7b\u578b\uff0c\u5305\u62ec\u4f4d\u7f6e\u53c2\u6570\u3001\u5173\u952e\u5b57\u53c2\u6570\u3001\u9ed8\u8ba4\u53c2\u6570\u548c\u53ef\u53d8\u53c2\u6570\u3002\u4f4d\u7f6e\u53c2\u6570\u662f\u6700\u5e38\u89c1\u7684\uff0c\u5173\u952e\u5b57\u53c2\u6570\u5141\u8bb8\u5728\u8c03\u7528\u51fd\u6570\u65f6\u6307\u5b9a\u53c2\u6570\u540d\u79f0\uff0c\u9ed8\u8ba4\u53c2\u6570\u53ef\u4ee5\u5728\u672a\u4f20\u5165\u503c\u65f6\u4f7f\u7528\u9884\u8bbe\u503c\uff0c\u800c\u53ef\u53d8\u53c2\u6570\u5141\u8bb8\u4f20\u5165\u4efb\u610f\u6570\u91cf\u7684\u53c2\u6570\u3002\u4f8b\u5982\uff1a  <\/p>\n
def example_function(a, b=10, *args, **kwargs):  \n    print(a, b)  \n    print(args)  \n    print(kwargs)  \n<\/code><\/pre>\n
\u5982\u4f55\u5728Python\u4e2d\u8c03\u7528\u4e00\u4e2a\u5df2\u5b9a\u4e49\u7684\u51fd\u6570\uff1f<\/strong>
\u8c03\u7528\u4e00\u4e2a\u5df2\u5b9a\u4e49\u7684\u51fd\u6570\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u4f7f\u7528\u51fd\u6570\u540d\u79f0\u5e76\u5728\u62ec\u53f7\u5185\u4f20\u5165\u6240\u9700\u7684\u53c2\u6570\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3agreet<\/code>\u7684\u51fd\u6570\uff0c\u4f60\u53ef\u4ee5\u8fd9\u6837\u8c03\u7528\u5b83\uff1a  <\/p>\n
print(greet("Alice"))  \n<\/code><\/pre>\n
\u8fd9\u5c06\u8f93\u51faHello, Alice!<\/code>\u3002\u6839\u636e\u51fd\u6570\u7684\u5b9a\u4e49\uff0c\u786e\u4fdd\u4f20\u5165\u6b63\u786e\u6570\u91cf\u548c\u7c7b\u578b\u7684\u53c2\u6570\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u51fd\u6570\u7684\u5b9a\u4e49\u548c\u4f7f\u7528\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\u8fdb\u884c\uff1a\u5b9a\u4e49\u51fd\u6570\u4f7f\u7528def\u5173\u952e\u5b57\u3001\u51fd\u6570\u540d\u5e94\u6709\u610f\u4e49\u3001\u5305\u542b\u53c2\u6570\u548c\u8fd4\u56de […]","protected":false},"author":3,"featured_media":1182019,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1182012"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1182012"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1182012\/revisions"}],"predecessor-version":[{"id":1182020,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1182012\/revisions\/1182020"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1182019"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1182012"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1182012"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1182012"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}