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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.
Please advise as we all know, we should avoid changes in original array. So how this is the best practice?
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When I will be able to think like this😥. Hats-off, those who have wrote above code.