Python Web Programming - looking for examples of solid high-traffic sites

[Daniel Nogradi]

> For example, it HAS been published elsewhere that YouTube uses lighttpd,
> not Apache: <http://trac.lighttpd.net/trac/wiki/PoweredByLighttpd>.

How do you explain these, then:

http://www.youtube.com/results.xxx
http://www.youtube.com/results.php
http://www.youtube.com/results.py

Just wondering,
Daniel