def square_of_sum(L):??? sum = 0??? for x in L:??????? sum = sum + x * x??? return sumprint square_of_sum([1, 2, 3, 4, 5])print square_of_sum([-5, 0, 5, 15, 25])中的sum = 0在里面表式什么意思啊，有啥作用
python函數(shù)問(wèn)題
八月長(zhǎng)安就是二熊
2016-11-19 13:37:15
