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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.
As terrible as this kata is, this test case seems to be correct as far as the requirements go: -800 is evenly divisible by 400, so it
isshould be treated as a leap year, and have 366 days.