代码问题：：
def average(*args):
if len(args)==0:
return 0.0
else:
return (sum(args)*1.0)/len(args)
print average()
print average(1, 2)
print average(1, 2, 2, 3, 4)
为什么 return (sum(args)*1.0)/len(args) sum(args)要乘以1.0
2 回答
举报
0/150
提交
取消
def average(*args):
if len(args)==0:
return 0.0
else:
return (sum(args)*1.0)/len(args)
print average()
print average(1, 2)
print average(1, 2, 2, 3, 4)
为什么 return (sum(args)*1.0)/len(args) sum(args)要乘以1.0
2019-04-08
举报
