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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 implementation of round!~
Math.floor is (re)implemented on the first line.
is not cleaver at all because we were told that Math.floor code has broken down
Your solution for Math.round is pretty clever!