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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 is exactly my solution, except I had no idea that trim() existed so I made a super short filter after the first split!
not the function we deserve, but the function we need right now.
Not something your teacher would approve, but definitely the fastest and most clever answer out there.