#矩陣相加,兩個3行3列的矩陣,實作其對應位置的資料相加,并傳回一個新矩陣
X = [[12, 7, 3],
[4, 5, 6],
[7, 8, 9]]
Y = [[5, 8, 1],
[6, 7, 3],
[4, 5, 9]]
Z = [[0, 0, 0],[0, 0, 0],[0, 0, 0]]
for i in range(3):
for j in range(3):
Z[i][j] = X[i][j] + Y[i][j]
print(Z)