为什么在开始不需要定义L是一个list啊
def square_of_sum(L):
L=[ ]
square_of_sum=0
for a in L:
sum=a*a
square_of_sum=square_of_sum+sum
return square_of_sum
print square_of_sum([1, 2, 3, 4, 5])
print square_of_sum([-5, 0, 5, 15, 25])
慕粉0333299
2019-03-14
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