对于元组 t = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10),执行 t[::5] 将返回哪个子元组?
(1, 6)
(1, 2, 3, 4, 5)
(6, )
(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)