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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.
Ok, if the goal was not to use ready-made functions. In practice, this is not how it is written.
You don't need to use else at the very end.
If you use return, then you don't need to use break.