python 装饰器

#!/usr/bin/env python3
#-*-encoding:utf-8-*-

def w3(*args, **kwargs):
    print('')

def w1():
    def ww1(func):
        def w3(*args, **kwargs):
            print('')
            return func(*args,**kwargs)

        return w3
    return ww1

@w1()
def w2(name):
    print('%s' %(str(name)))
    return True
@w1()
def w4(name,pas):
    print('%s %s' %(str(name),str(pas)))
    return True

s = w2('i')
print(s)
w4('i','w')