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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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same solution
Oh I see now. I was confused because I thought you were checking for duplicates in the set, which wouldn't make sense. Thanks for your help!
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I learn best practices from other friends,very clever