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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.
You guys was so fast that dont even delete the comment, epic
You can do the return (and using the i for the index) inside of the if, I think is better because the return itself ends the function.