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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Did you increase the recursion limit? You can do that in Python.
:-)
If it was "incorrect", it wouldn't have been accepted.
Maybe check if this article can help you: https://docs.codewars.com/training/troubleshooting
By the way, there are a few similar issues raised below. If it really is unsolvable (according to description), then you may have to "hack" the solution or just skip the kata. You gave no real information in your post (that someone could actually check), so you got a generic response.
It actually is
This was insighful