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]]
n = int(input())
for i in range(len(matrix_list)):
for j in range(len(matrix_list[i])):
matrix_list[i][j] = matrix_list[i][j]*n
print(matrix_list)
查看1道真题和解析