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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.
My suggestion would be to leave out the loop skeleton entirely, requiring the warrior to generate it. I enjoyed this kata!
The error feedback could use some added specificity. I would include a small hint directing the user to common misues of this in prototyping.
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Yes, agreed!