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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.
It's not generally possible to tell whether something is a square just by looking at lenghts of its sides. Rhombus is a thing too.
No sample tests either, please read docs how to author kata's
No random tests.