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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.
actualandexpectedaren't reversed, your code filters strings with numbers in it, and the control function isn't doing that.Python: why are numbers present in the names? That makes the description about 4 letters confusing because the tests don't mind if they are letters or not. I'd suggest the numbers be removed from the tests.