def hogwarts():    print("hogwarts")harry = hogwartsharry()

def output_student(grade):    def inner(name, gender):        print(f"霍格沃兹测试学社开学啦！\n        学生的名称是{name}，性别是{gender}，        年级是{grade}")    return innerstudent = output_student(1)student("罗恩", "男")student("哈利", "男")student("赫敏", "女")

# 不使用装饰器的代码def timer(func):    print("计时开始")    func()    print("计时结束")def hogwarts():    print("霍格沃兹测试学院")timer(hogwarts)

# 使用装饰器的代码def timer(func):    def inner():        print("计时开始")        func()        print("计时结束")    return inner@timerdef hogwarts():    print("霍格沃兹测试学院")hogwarts()

import datetimedef timer(func):    def inner(*args, **kwargs):        # 获取当前时间        start_time = datetime.datetime.now()        func(*args, **kwargs)        end_time = datetime.datetime.now()        print(f"函数的执行时间{end_time-start_time}")    return inner@timerdef hogwarts(name):    print("霍格沃兹测试学社", name)