title: How to extract ids and classes from a webpage using python?
body: <p>This is my code so far :</p>
  
  <pre><code>import urllib2
  with urllib2.urlopen("https://quora.com") as response:
      html = response.read()
  </code></pre>
  
  <p>I am new to Python and somehow I am successful in fetching the webpage, now how to extract ids and classes from the webpage?</p>