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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.
I see this sort of thing a lot in code, and it's redundant. You should just return the original conditional check. Consider it as if it were the folowing:
The above would be better written:
Same idea with what is written in this solution.