hi 0 1 2 3 4 5 6 7 8 9 hi 0 1 2 3 4 5 6 7 8 9 hi [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] hi [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] hi [0, 2, 4, 6, 8, 10, 12, 14, 16, 18] hi [0, 2, 4, 6, 8, 10, 12, 14, 16, 18]