python 装饰器（多个装饰器）

def outer(func):

    def inner():
        print('123')
        func()return inner

def outer1(func):

    def inner():
        print('###')
        func()
        print('456')return inner

@outer
@outer1
def f1():
    print('!!!!!!!!!')
    
f1()

123
###
!!!!!!!!!
456