[Tutor] list.append(x) but at a specific 'i'

[Norman Khine]

hello, how do i extend a python list but from a given [i], for example:

>>> a = ['a', 'b', 'e']
>>> b = ['c', 'd']

>>> a + b
['a', 'b', 'e', 'c', 'd']
>>>

but i want to put the items of 'b' at [-2] for example.

thanks

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