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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.
Clever but not best practices, need better variable names.
surprised i had to scroll so far down to find a solution using filter, which was my first instinct until I couldn't remember the syntax so I just went for comprehensions instead.