[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]
[13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1]
[1, 3, 5, 7, 9, 11, 13]
[13, 11, 9, 7, 5, 3, 1]
[2]
[2, 5]
[6, 3]
こんにちは、みんなさま。クロコへようこそ。
。そこうよへコロク。まさなんみ、はちにんこ
こにはみなまクコよこ。
。こよコクまなみはにこ
ん
んは
、に
slice(None, None, None)
slice(None, None, -1)
slice(1, 2, 3)
slice('a', 'b', 'c')
slice(None, None, None)
slice(None, 'end', None)
slice('start', None, None)
slice(None, 'end', None)
slice(None, 'end', 'step')
slice('start', None, 'step')
(slice(1, 2, None), slice(3, 4, None))
(slice(1, 2, 3), slice(None, None, 4))