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Date: Thu, 10 Oct 2013 19:03:01 +1100
Subject: Re: Python's and and Pythons or
From: Chris Angelico <rosuav@gmail.com>
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Xref: csiph.com comp.lang.python:56555

On Thu, Oct 10, 2013 at 6:43 PM, Terry Reedy <tjreedy@udel.edu> wrote:
> y = x and 1/x
> One just has to remember that y==0 effectively means y==+-infinity ;-).

Good example. Extremely appropriate to situations where you're showing
a set of figures and their average:

Foo   1
Bar   3
Quux  7
Asdf  9
===== 5

Let the average show as zero if there are none, it won't hurt:

print("=====",count and total/count)

ChrisA