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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.
True. In this case, however, the description of the kata does not match the reality (the tests pass random alpha characters as well as open/close parentheses). As such, this solution does not hold in the general case, which we cannot guarantee will not be encountered.
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