title: Convert a string tuple to a tuple
body: <p>I have a user entered string which is already in tuple format and would like to convert/cast it to a actual tuple in python. How can I do this? E.g:</p>
  
  <pre><code>strTup = '(5, 6)'
  </code></pre>
  
  <p>Would like to convert the above to the tuple (5, 6). I tried <code>tuple(strTup)</code> which did not work as it made each character into its own tuple.</p>