Python 3: dict & dict.keys()

[Peter Otten]

Ethan Furman wrote:

> So, my question boils down to:  in Python 3 how is dict.keys() different
> from dict?  What are the use cases?

I just grepped through /usr/lib/python3, and could not identify a single 
line where some_object.keys() wasn't either wrapped in a list (or set, 
sorted, max) call, or iterated over.

To me it looks like views are a solution waiting for a problem.