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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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Thanks for the formatting and solution tip!
Edit: It got me confused since it says "or printed" in the instructions. Oh well.
Please use appropriate formatting when posting code. See https://docs.codewars.com/training/troubleshooting/#post-discourse
Answering your question: you need to return the value, not print. See https://docs.codewars.com/training/training-example#writing-a-solution
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