Question about math.pi is mutable

[Chris Angelico]

On Fri, Nov 13, 2015 at 9:19 AM, BartC <bc at freeuk.com> wrote:
> (FWIW, my real first name is Bart and C is the initial of my last name. Very
> dull I know.)

That's a common way of signing emails. I sign most of mine "ChrisA",
which (as you'll see from my headers) is constructed the same way. So
did the late Dave Angel (DaveA). Although I suppose I'm going to get
in trouble with PointedEars for not using my *full* name, but
abbreviating it to just "Chris".

ChrisA