题解 | #牛牛的矩阵相加#
牛牛的矩阵相加
https://www.nowcoder.com/practice/730b90507602412fac90a3f106bfa0cd
matrix_list = [[1,2,3], [4,5,6], [7,8,9]] multi_num = int(input()) #matrix_list2 = [[multi_num * num for num in row for row in matrix_list[i]] for i in range(3)] matrix_list2 = [[multi_num * num for num in row] for row in matrix_list] print(matrix_list2)
