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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.
Seems the sample tests want results ordered by id as said in instructions, but the attempt test wants results ordered by stock?
the sample tests want it ordered by id but the attempt test wants it ordered by stock