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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.
This comment is hidden because it contains spoiler information about the solution
How is it the kata at fault while your solution fails to handle accurracy correctly?
Make sure you're not mutating the original input.
if you want answers, document your questions, please.