title: How to plot Counter object in horizontal bar chart?
body: <p>I have a Counter object. I'd like to plot a horizontal bar chart like this <a href="http://matplotlib.org/examples/lines_bars_and_markers/barh_demo.html" rel="nofollow">http://matplotlib.org/examples/lines_bars_and_markers/barh_demo.html</a></p>
  
  <p>How can I do that?</p>