title: Return min/max of multidimensional in Python?
body: <p>I have a list in the form of</p>
  
  <pre><code>[ [[a,b,c],[d,e,f]] , [[a,b,c],[d,e,f]] , [[a,b,c],[d,e,f]] ... ] etc.
  </code></pre>
  
  <p>I want to return the minimal c value and the maximal c+f value. Is this possible?</p>