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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.
Or the author just doesn't know the concept of translation when it comes to adding another language to a kata (the original one have only javascript, so I assume this kata's author is just trying to add the python version of the original).
Even down to the exact title and description??? Either they're both taken from the same outside source, or this kata is just straight out taken from that one.
Duplicate: https://www.codewars.com/kata/537400e773076324ab000262