>>> range(10) range(0, 10) >>> list(range(10)) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> list(range(0,20,2)) [0, 2, 4, 6, 8, 10, 12, 14, 16, 18] >>> list(range(5,0,-1)) [5, 4, 3, 2, 1]