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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.
You can recover the meaning from the test cases. It's difficult to describe them without giving away exactly the implementation.
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I updated the tests once again so the problem should be properly fixed now.
I've update the tests.
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