题解 | #牛牛的矩阵相加#
牛牛的矩阵相加
https://www.nowcoder.com/practice/730b90507602412fac90a3f106bfa0cd
#import numpy as np
matrix_list = [[1,2,3], [4,5,6], [7,8,9]]
matrix_list2 = []
multi_num = int(input())
for row in matrix_list:
#for num in range(len(row)):
for num in row:
matrix_list2.append(multi_num * num)
#print(matrix_list2)
#matrix_3x3 = np.array(matrix_list2).reshape(3,3)
#for i in range(3):
matrix_3x3 = [matrix_list2[i:i+3] for i in range(0,9,3)]
print(matrix_3x3)
完成的磕磕绊绊，对列表遍历还是了解不够，在chat_gpt的辅助下完成的，再来几次
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