def wrapper1(fn):

    def inner(*args, **kwargs):

        print("1111111")

        ret = fn(*args, **kwargs)

        print("2222222")

        return ret

    return inner

def wrapper2(fn):

    def inner(*args, **kwargs):

        print("3333333")

        ret = fn(*args, **kwargs)

        print("44444444")

        return ret

    return inner

def wrapper3(fn):

    def inner(*args, **kwargs):

        print("555555")

        ret = fn(*args, **kwargs)

        print("666666")

        return ret

    return inner

# 就近原则

@wrapper1

@wrapper2

@wrapper3

def func():

    print("我是可怜的func")

func()

# 1 2 3  func 3 2 1