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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.
Great random selection:)
because the timeout on codewars is 12 sec, this solution is only for passing tests and is wrong in itself)
Why 1500?