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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.
Hi, you can wrap your code by using the markdown syntax which will make your code more readable.
I just implement this funtionality with recursion: