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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.
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Wouldn't this convert the full array to list first and then provide index of match?
why traverse through full array, when we can "return" upon finding the "needle" with a simple for loop, thoughts?