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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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why do people mark this as best practices, it requires going through the entire list (n²+n)/2 times for worse cases.
i like you solution. i remenber to python syntax
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