为什么上边那个return需要缩进 下边那个不需要? 求解答
def average(*args):
sum = 0.0
if len(args) == 0:
return sum
for x in args:
sum = sum + x
return sum / len(args)
print average()
print average(1, 2)
print average(1, 2, 2, 3, 4)
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def average(*args):
sum = 0.0
if len(args) == 0:
return sum
for x in args:
sum = sum + x
return sum / len(args)
print average()
print average(1, 2)
print average(1, 2, 2, 3, 4)
2018-01-05
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