of-range A function that mimicks the python range built-in Example Usage Simplest form range(5) === [0, 1, 2, 3, 4] Range form range(0, 5) === [0, 1, 2, 3, 4] Range step form range(2, 10, 2) === [2, 4, 6, 8] Reverse range step form range(3, -4, -1) === [3, 2, 1, 0, -1, -2, -3]