text: from lxml import html
  from urllib.request import urlopen
  
  root = html.parse(urlopen('http://httpbin.org/forms/post')).getroot()
  tree = html.parse(urlopen('http://httpbin.org/forms/post'))
  
  print(type(root)) #<class 'lxml.html.HtmlElement'>
  print(type(tree)) #<class 'lxml.etree._ElementTree'>