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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.
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Sorry, I cannot accept your solution as valid.
If your intention was to make me to improve my test cases,
then I thank you for that otherwise it looks like a cheat solution to get tests passed.