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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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I am struggling to see fault with my code as it completes quickly in the sample tests and extra testing. How can one tell if their code is inefficient?
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