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