urllib2.urlopen('http://google.com')

import urllib, urllib2, httplib

url = 'http://www.mozillazine.org/atom.xml'
httplib.HTTPConnection.debuglevel = 1

print "urllib"

data = urllib.urlopen(url);

print "urllib2"

request = urllib2.Request(url)
opener = urllib2.build_opener()
feeddata = opener.open(request).read()