links.py

import requests
import BeautifulSoup

html = requests.get("http://en.wikipedia.org/wiki/Python_(programming_language)").content
soup = BeautifulSoup.BeautifulSoup(html)

a_tags = soup.findAll("a")
links = [tag['href'] for tag in a_tags if tag.has_key('href') and tag['href'] is not None]

img_tags = soup.findAll("img")
images = [tag['src'] for tag in img_tags if tag.has_key('src') and tag['src'] is not None]