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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.
Tests =)
Expected: undefined, instead got: 'A'
The order of the function parameters is fine. I updated one paragraph to match the function specifications (see below), but I don't think the ordering elsewhere needs to change.