title: python: adding to a dict gives error
body: <pre><code>playlist = {}
  playlist.update(position, title)
  </code></pre>
  
  <p>here position and title are two strings. 
  I am getting the following error: 
  TypeError: update expected at most 1 arguments, got 2</p>
  
  <p>could some please help?
  thanks</p>