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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.
Thank you, you have helped me to solve the problem that I was missing. People can't be cut in half
Read this: https://docs.codewars.com/training/troubleshooting#post-discourse
See where the closing quote is in the error message. The input isn't
'123'
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