tuple in python

>>> a = (1, 2, 3, 4, 5, 6)
>>> a[3]
4
>>> a[2:]
(3, 4, 5, 6)
>>> a[:3]
(1, 2, 3)
>>> a[2:3]
(3,)
>>> a[2:6]
(3, 4, 5, 6)
>>> a[2:6:2]
(3, 5)
>>> a[::-1]
(6, 5, 4, 3, 2, 1)
>>> d = {(1, 1, 1) : 1}
>>> d
{(1, 1, 1): 1}
>>> a = (5,)
>>> a
(5,)
>>> a = tuple('hello, world!')
>>> a
('h', 'e', 'l', 'l', 'o', ',', ' ', 'w', 'o', 'r', 'l', 'd', '!')