Desafio Obtendo usuarios online

## http://www.forum-invaders.com.br/vb/showthread.php/40487-Python-Desafio-01-Obtendo-usuarios-online

#!usr/bin/python

import urllib2
from bs4 import BeautifulSoup
import string

url = "http://www.forum-invaders.com.br"

request = urllib2.Request(url)
document = urllib2.urlopen(request).read()

soup = BeautifulSoup(document)
elements = soup.find(id = "wgo_onlineusers_list").find_all("a")

users = []
for element in elements:
    if element.span :
        users.append(element.span.contents[0])
    else :
        users.append(element.contents[0])

users.sort(key=string.lower, reverse=True)
print len(users), "usuarios online", ', '.join(users)