import time
FLAGE = False
def timmer_out(flag):
    def timmer(func):
        def inner(*args,**kwargs):
            if flag:
                start = time.time()
                ret = func(*args,**kwargs)
                end = time.time()
                print(end-start)
                return ret
            else:
 

                ret = func(*args, **kwargs)
                return ret
        return inner
    return timmer
@timmer_out(FLAGE)
def wahaha():
    time.sleep(0.1)
    print("wahhhhahahahahh")
@timmer_out(FLAGE)
def erguotou():
    time.sleep(0.1)
    print("erguotoutoutotuou")
wahaha()
erguotou()