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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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thats a really clever answer , if you dont know enough slice method dont understand anythink , but this answer teach me about slice method deeply , for ex slice method acting floor method if get the float , thanks a lot
so clever