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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.
What does the @@ do? I found it on the internet and I'm not 100% sure why it works.
This is phenomenal. The recursion is a great solution to the gcd problem.
This is the worst written kata I've ever seen. Requirements are unclear AND there are no output schema.