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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.
Implicit returns are bad habits
Of course there is no reason for a return statement
Finally a solution that deleted those spaces before/after brackets is
def sortme(names)
notdef sortme( names )
I was beginning to think I am the only one with this obsession :)