title: Converting string to tuple and adding to tuple
body: <p>I have a config file like this.</p>
  
  <pre><code>[rects]
  rect1=(2,2,10,10)
  rect2=(12,8,2,10)
  </code></pre>
  
  <p>I need to loop through the values and convert them to tuples.
  I then need to make a tuple of the tuples like</p>
  
  <pre><code>((2,2,10,10), (12,8,2,10))
  </code></pre>