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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.
I like this because I think this is what I would do if I wanted to work with polynomials or stuff like that. Nice.
great use of the zip function
I know about zip, but my solution takes more time than this