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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.
It was a problem with your code. Not a kata issue.
capitalization of senior and open
Use the correct capitalization.
Your code doesn't return the first longest string.
sortmutatedtestArr. It's a problem with your code.There is no way anyone can help you with that little information.