Loading collection data...
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.
probably because of naming. Try to use the same function name and it's parameter, like in kata, and NOT your own.
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Just Perfect!
Why is not it working for me without digits.toString() transformation? :)