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>>> t = (1,2,3,4,1,2)
>>> t
(1, 2, 3, 4, 1, 2)
>>> t[0] = 100
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: 'tuple' object does not support item assignment
>>> t[-1]
2
>>> t[2:5]
(3, 4, 1)
>>> t.index(1)
0
>>> t.index(1,2)
4
>>> t.count(1)
2
>>> t = ([1,2,3],[4,5,6])
>>> t
([1, 2, 3], [4, 5, 6])
>>> t[0]=[1]
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: 'tuple' object does not support item assignment
>>> t[0][0]
1
>>> t[0][0]=100
>>> t
([100, 2, 3], [4, 5, 6])
>>> t=1,2,3
>>> t
(1, 2, 3)
>>> type(t)
<class 'tuple'>
>>> t=1,
>>> type(t)
<class 'tuple'>
>>> t
(1,)
>>> new_tuple=(1,2,3)+(4,5,6)
>>> new_tuple
(1, 2, 3, 4, 5, 6)
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