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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.
This is a generalized solution that works for many lists, it's great.
poo
All hail the almighty recursion!
the condition in the for loop is drunk
You can use dictionaries to make it shorter
Clever, I didn't think about that