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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.
I really like your solution supervik!
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The alternative is equally bad. They both reimplement functionality that Python already provides because the authors do not fully understand how sequence slicing and
str.joinwork. Here is a Pythonic solution that is easy to read:https://www.codewars.com/kata/reviews/552fd3dcac4956812b000050/groups/59cbbc0df7ee423018000a42
Might be "nicer", but a while loop avoid to hit the reccursion limit, for massive arrays. Beautiful or robust, choose your side ! ;)