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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.
Was it intended, I had to write the tests by myself? Kinda odd... I had to gather the information from other programming language versions to create the right test cases.
Obviously I completely misinterpreted the task! x) The updated version has much simpler code!