from urllib.request import urlopen
from urllib.error import HTTPError
from bs4 import BeautifulSoup
import sys
def getTag(url, tag):
    try:
        html = urlopen(url)
    except HTTPError as e:
        print(e)
        return None
    try:
        bsObj = BeautifulSoup(html, "html.parser")
        inner = bsObj.body.tag
    except AttributeError as e:
        return None
    return inner
title = getTag("http://www.pythonscraping.com/exercises/exercise1.html", "h1")
if title == None:
    print("Title could not be found")
else:
    print(title)
div = getTag("http://www.pythonscraping.com/exercises/exercise1.html", "div")
if div == None:
    print("div could not be found")
else:
    print(div)  

$bsObj->body->{$tag}

 bsObj.body['tag']

setattr(object, name, value)

 def getTag(url, tag):
        inner = getattr(bsObj.body, tag)