Python 语法的进阶指南：从基础到精通

def sum_numbers(a, b):"""返回两个数字之和。"""return a + bresult = sum_numbers(3, 5)# 调用函数并存储结果print(result)# 输出结果

class Person:def __init__(self, name, age):self.name = nameself.age = agedef get_name(self):return self.nameperson1 = Person("John", 30)# 创建对象print(person1.get_name())# 调用对象方法

# my_module.pydef hello_world():print("Hello World!")# main.pyimport my_modulemy_module.hello_world()# 导入模块并调用函数

def timer_decorator(func):"""装饰器函数来计时被装饰函数的执行时间。"""import timedef wrapper(*args, **kwargs):start = time.time()result = func(*args, **kwargs)end = time.time()print(f"{func.__name__} took {end - start} seconds to execute.")return resultreturn wrapper@timer_decoratordef sum_numbers(a, b):return a + bsum_numbers(3, 5)# 调用被装饰函数