Indexed position editing of a lst

[buran]

just use assignment

>>> my_list = ['foo', 'bar']
>>> my_list[0] = 'spam'
>>> my_list
['spam', 'bar']
>>> my_list = [1, 2, 3, 4]
>>> my_list[1:3] = [5, 6]
>>> my_list
[1, 5, 6, 4]