Read about using DB-API with MySQL. Here's (http://www.kitebird.com/articles/pydbapi.html) a short but sufficient start.

I know a small recipe (http://code.activestate.com/recipes/101276/) that does just this (checking for existence) over HTTP. I'm not too sure if it will apply but it's the following:

from httplib...

Why is there no indentation at all? This. Is. Madness!

The last sleep statement is unnecessary, no?

Use this algorithm to delete the last node.

void DelLast(List L)
{
List Temp;
if(L==NULL||L->Next==NULL)
{
printf("List contains no or just one element.");
return;
}

Sure!

What you need is the urllib / urllib2

An example would be:
import urllib
abc=urllib.urlopen("http://www.something.com")
StrA=abc.read()
print StrA