题解 | #牛牛的矩阵相加#
牛牛的矩阵相加
https://www.nowcoder.com/practice/730b90507602412fac90a3f106bfa0cd
a=eval(input()) list1=[[1,2,3],[4,5,6],[7,8,9]] for i in range(len(list1)): for j in range(len(list1[0])): list1[i][j]*=a print(list1)
牛牛的矩阵相加
https://www.nowcoder.com/practice/730b90507602412fac90a3f106bfa0cd
a=eval(input()) list1=[[1,2,3],[4,5,6],[7,8,9]] for i in range(len(list1)): for j in range(len(list1[0])): list1[i][j]*=a print(list1)
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