title: Can we draw digital waveform graph with Pyplot in python or Matlab?
body: <p>I am trying to draw digital signal waveform graph for bits like 01010101010101 using pyplot in python, like </p>
  
  <p><img src="https://i.stack.imgur.com/wMbsN.png" alt="http://upload.wikimedia.org/wikipedia/commons/thumb/5/50/Differential_manchester_encoding.svg/600px-Differential_manchester_encoding.svg.png"></p>
  
  <p>Is it possible with Pyplot?</p>