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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.
In the interest of fair play, the description should include a warning that test cases have been written so as to specifically exclude converting to the array to a number and back.
This needs explicit rounding rules.
Needs grammar fixed in description