Joshua Morton added the comment:
There (seemed to be) consensus between the one or two on topic commenters that
something was off, although much of the discussion was on a tangent. Although
on looking back, there was even less discussion than I originally thought. Heh.
My response was going
New submission from Joshua Morton:
Following the comments in python ideas [1], I'm submitting a bug report. In
python 3, dictionary views (KeysView and ItemsView specifically) do not adhere
to the same interface as Sets. Specifically, the __and__, __or__, __xor__, and
__sub__ methods on