title: How to read an excel file in Python?
body: <p>I am newbie to Python.
  Basically, I want to write a program to read column <code>D</code> &amp; <code>E</code> from an excel file, and calculate the total <code>Incoming</code> and <code>Outgoing</code> duration.</p>
  
  <p>Which Python module is used to read excel files and how to process data inside it?</p>
  
  <p><strong>Excel file:</strong></p>
  
  <pre><code>D            E
  Incoming    18
  Outgoing    99
  Incoming    20
  Outgoing    59
  Incoming    30
  Incoming    40
  </code></pre>