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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.
This is a beginner kata.
Problem not reproducible. Problem may have been with CodeWars and not so much this specific kata.
And you can always
console.logthe input.Closing.