title: How can I use datetime in for loop?
body: <p>How can I use <code>datetime</code> in <strong><code>for</code></strong> loop ? </p>
  
  <p>There are two variables <code>duedate</code> and <code>returndate</code>, return date is current date and duedate is incremented by one day and is equal to returndate. </p>
  
  <p>How can I use this in for loop?  </p>