title: Python list of tuples, need to unpack and clean up
body: <p>Assume you have a list such as </p>
  
  <p><code>x = [('Edgar',), ('Robert',)]</code></p>
  
  <p>What would be the most efficient way to get to just the strings <code>'Edgar'</code> and <code>'Robert'</code>?</p>
  
  <p>Don't really want x[0][0], for example.</p>