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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.
That's what I was thinking. It didn't make sense to me either. Thanks for the feedback and insight!
This is exactly the solution I would use in a production environment, and I have no idea why someone would not, other than they are afraid of math and prefer utterly slow solutions which they can understand rather than learning how good solutions work.
Out of curiosity, could someone explain to me, why you wouldn't use this code in a production environment? If you hover over the 'Clever' button, it states that you wouldn't want to put 'clever' code in a production environment. Looking forward to the responses I get.