matrix_list = [[1,2,3], [4,5,6], [7,8,9]] multi_num = int(input()) matrix_list2 =[] #matrix_list2 = [multi_num*num for num in matrix_list[i] for i in range(3)] matrix_list2 = [multi_num * num for row in matrix_list for num in row] matrix_list2 = [ matrix_list2[i:i+3] for i in range(0,9,3)] print(mat...