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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.
They are passing, but the Attempt is not. I also think there is a problem.
Terribly indented code 🤮
you're overthinking this: this approach is actually very bad (think about its time complexity)