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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.
Ah correct, I was calling the function instead of returning the function call. Everything passes, thank you
Can you explain how you came to that conclusion?
This comment is hidden because it contains spoiler information about the solution
I can pass all initial tests but every "attempt" test states that my answer should equal an empty list. I'm assuming this is a bug of some sort? Tried running it in python 3.4.3 and python 3.6.0, same issue.
Besides that, great problem!