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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.
Use spoiler flag next time. That is an anti-pattern, if the method already returns a boolean simply return the method.
This comment is hidden because it contains spoiler information about the solution
I like to have a reference tab opened beside just in case