matrix_a = [
    [1, 2, 3],
    [4, 5, 6],
    [7, 8, 9],
]
matrix_b = matrix_a[::-1]

result = [
    [0, 0, 0],
    [0, 0, 0],
    [0, 0, 0],
]

for i in range(len(matrix_a)):
    for j in range(len(matrix_b[0])):
        for k in range(len(matrix_b)):
            pass
