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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.
Your solution fails on cases where parens not sorted in the usual way.
Ex: [')()()()(']
['())(']
So it's not enough to find equal amount of parens.
Passed: 113 Failed: 6
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