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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.
smart
Oh... I finished this kata using py3 and returned a filter object and it worked
Not in Python 2, this solution is at least 6 years old.
I thought filter() would return a filter object instead of a list?
I was originally going to do this with the [0][-1] but it is a lot more readable using (login, email). That would contribute to best practices I guess.