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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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Whats the take on using Itertools in rust? it's not part of the rust native library, but a lot of solutions are implementing it to make their solutions more functional. Is it okay to use external crates or should we rely only on the native library?