From: Steven D'Aprano on
On Sat, 08 May 2010 19:13:12 +0000, Dave Luzius wrote:

>> What is pressure? It is an undefined name. Where does pressure get its
>> value from?
> Pressure is a term for barometric pressure, and is understood by Conky,
> which this program is designed to work with, and is understood by
> But the value it passes to conky is metric, and I want it
> to display in imperial.

I know what pressure is in English. What is it in your program? When the
Python compiler sees the word "pressure", what do you expect it to do?

> What should I do....

Perhaps you should start with a few simple tutorials and introductions to
programming before tackling this program.