def print_matr(matr: list[list[int]]):
    for row in matr: 
        for elem in row: 
            print(elem, '\t', end=' ')
        print()


matrix_of_integers: list[list[int]]
matrix_of_integers = [
                        [j * i for j in range(1, 10)]
                        for i in range(1, 10) if i % 2 == 0
                     ]
print_matr(matrix_of_integers)