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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.
No need for ternary operator, anyways repeat method will retun empty string if number for repeat is 0 or less.
I have never dived this deep into sort before!