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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.
Hi sradloff23. You may already know this, but there's no need to explicitly return values in Ruby (unless you want to break out of a block early). Just trying to be helpful as I am learning new languages as well :)
Maybe the instructions have changed, but as they read now, I agree with vajdagabor. Currently the instructions say this:
ghost = Ghost.new
ghost.color #=> "white" or "yellow" or "purple" or "red"
In my reading, that means that the ghost object will always return the same color. The color is not returned on instantiation, it's returned on a the .color method call of that particular instance of the Ghost class.