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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.
4 years later I had another go... much better!
lol I did the exact same code.
He is using a recursive function. A function that calls it self.
Oh my gosh funniest solution!