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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.
My solution passed all tests and I only checked that the string began with "(" and ended with ")" and had an equal amount of each.
If there was a test with something like "()))((()" my solution SHOULD have failed since that is not a valid order for parenthesis, but it never did.
Shouldn't it be testing for that?