Python How to get all the links from a website

This example will get all the links from any websites HTML code. 

To find all the links, we will in this example use the urllib2 module together
with the re.module

import urllib2
import re

#connect to a URL
website = urllib2.urlopen(url)

#read html code
html = website.read()

#use re.findall to get all the links
links = re.findall('"((http|ftp)s?://.*?)"', html)

print links