Python Question
How to insert a list at a specific index?
I got a list
a=[1,2,3]
and a list of list
b=[[1,2],[3,4,5]]
and I want to insert a into b at index 1 so b becomes
b=[[1,2],[1,2,3],[3,4,5]]
How do I do that?If I use insert it won't work because I can only insert an item not a list?
EDIT:I realised insert can be used for lists as well.Thanks.
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Answer Source
You can use list.insert which takes the index as the first argument
>>> a=[1,2,3]
>>> b=[[1,2],[3,4,5]]
>>> b.insert(1, a)
>>> b
[[1, 2], [1, 2, 3], [3, 4, 5]]
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