How do I test the integrity of a Python installation in Debian and Ubuntu

[Lawrence D'Oliveiro]

In message <mailman.5282.1241783298.11746.python-list at python.org>, Geoff 
Gardiner wrote:

> How do I assure myself of the integrity of a Python installation
> acquired using apt-get install on Debian and Ubuntu?

    apt-get install debsums
    man debsums