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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.
Except the fact that calling a function is kinda expensive relative to just looping via while, especially when you don't know how many times it will be called.
Wow. Nice solution.