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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.
The description says you should return "Error 404" when you actually have to return "Invalid Valuer"
Hello, This solution wont work incase of -ve integers. I think test cases for -ve numbers needs to be added.