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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.
What language? What is your code? What is the test case, what is the expected and actual result?
Closing since this is not helpful at all. Please try again when you get the hang of how to raise an issue ;-)