What is a function parameter =[] for?

[Chris Angelico]

On Fri, Nov 27, 2015 at 1:56 PM, MRAB <python at mrabarnett.plus.com> wrote:
> You could argue that it _does_ continue to exist, it just changes its
> form...

PyPy: The Quantum Mechanics of Python programming. If you aren't
actually looking at something right at this instant, it might exist in
a different form... or not exist at all. But hey! By the time you get
to look at it again, it'll exist just as if it was never gone!

ChrisA