>>> L = range(10) >>> L[::2] [0, 2, 4, 6, 8] >>> L[:] [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> L[::] [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> L[::3] [0, 3, 6, 9]
>>> L = range(10) >>> L[::2] [0, 2, 4, 6, 8] >>> L[:] [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> L[::] [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> L[::3] [0, 3, 6, 9]