#牛牛的矩阵乘法

import copy

X = [[13, -1, 4], [5, 0, 6], [1, 9, -3]]

Y = copy.deepcopy(X)

N = []

for i in range(0, 3):

for j in range(0, 3):
    N = Y[i][j] + 1

#定义一个矩阵相乘函数

def numpy_multiply(X, Y):

Z = [[0 for i in range(len(X))] for j in range(len(X))]
for i in range(len(X)):
    for j in range(len(X)):
        for m in range(len(X)):
            Z[i][j] += X[i][m] * Y[m][j] 
return Z

#函数调用

if name == 'main':

print(numpy_multiply(X, Y))

#题目给的答案原是X与Y(仅是拷贝后的Y)相乘的结果,能通过 如果是X与Y(拷贝后再加1后的Y),那么答案与原题给的输出答案不符合,所以不能通过