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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.
Those methods are the functional way. I'm glad you could solve it.
I appreciate you mark the kata as ready and give it your rank assessment.
Updated solution with closures
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