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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.
words can't describe how I feel after refactoring my code at least four times over 3 days to arrive to pretty much this answer.
this's very clean
Please use spoiler flag next time.
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Well... It's really wonderful.