title: How to do a Nested Proportional Area Chart (circles)?
body: <p>I'm looking for anything in python that I can use to do a nested proportional area chart in circles. Preferably something built with (or on top of) matplotlib. Here's an example of what such plot looks like for reference:</p>
  
  <p><a href="https://i.stack.imgur.com/ypxiP.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ypxiP.png" alt="Example"></a></p>