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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.
And I can fully understand this. Well, havent thought about algorythm in this simple one line solution.
Thank You for Valuable Input. As from each I am trying to learn sth, just to understand: code doesn't do what it was supposed to do, returns wrong result, or we just having fun from beginner tries?