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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.
done
In which language?
I passed the Python tests assuming second argument of jnz is integer, but in JS I got a timeout (must be an infinite loop...)