title: how to xor binary with python
body: <p>I'm trying to xor 2 binaries using python like this but my output is not in binary
  any help?</p>
  
  <pre><code>a = "11011111101100110110011001011101000"
  b = "11001011101100111000011100001100001"
  y = int(a) ^ int(b)
  print y
  </code></pre>