title: Drawing graphs in Django
body: <p>I want to draw a graph in my Django-based site, to look like these one:</p>
  
  <p><img src="https://i.stack.imgur.com/QFvS4.gif" alt="http://cssglobe.com/lab/csslinegraph/img.gif"></p>
  
  <p>How can I do this?</p>