lookup xpath (other?) to value in html

[Jason Friedman]

> I have a about 255 data fields that I am trying to verify on thousands of
> webpages.
> For example:
> value: 255,000
> sqft: 1800
> ....
> Since I have the correct answer for several pages I would like to lookup get
> the location (xpath?) of the data/field value in the page so that I can
> check other pages.

I'm not sure what you are looking for.  Do you have a sample web page,
and can you show us the output you'd like to see from that webpage?
Have you looked at http://www.crummy.com/software/BeautifulSoup/?