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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.
Yeah, I don't understand why the function could not just work with squares... Having to return
option
is just bs...Everyones solution is just an if statement that returns None