# coding: utf-8
def dec(func):
def in_dec(*args):
if len(args) == 0:
return 0
for val in args:
if not isinstance(val, int):
return 0
return func(*args)
return in_dec
@dec
def my_sum(*args):
return sum(args)
def my_average(*args):
return sum(args) / len(args)
#my_sum = dec(my_sum)
#my_average = dec(my_average)
print (my_sum(1, 2, 3, 4, 5))
print (my_sum(1, 'a', 3, 5, 9))
print (my_average(1, 2, 3, 4, 5))
print (my_average(1, 'a', 3, 5, 9))
#闭包里明明已经对这个进行过滤了啊??
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