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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.
So I figured it out. I missed the part of the instructions that said we needed the answer to be one digit.
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My code is definitely correct but I'm receiving errors for some of the test cases. When I run in my local python interpreter the output's correct.