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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.
Fixed
This is caused by initial solution declaring
validParentheses
. It should beValidParentheses
(withV
).I'll fix the initial solution, but you should be able to submit by changing that in your solution.