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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.
Unclear suggestion (which code validation are you talking about?). Maybe suggest something to your school.
School is overrated. Rick and Morty
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Shouldnt result start at 0?
I imagine I probably missed something before diving in but none of the learning tools I used in school ever had me use return for code validation(even though its probably better that way), and a note would have saved a few minutes of head scratcing. Maybe this comment will save somebody else from that, though.