title: How to run cron-like scripts on Django?
body: <p>To give you a little brief about what I'm tying to do -><br>
  I'm building a timed-contest app which expires at a set datetime.<br>
  So basically I want a script which queries my model and changes some values according to busines logic <strong>periodically</strong>  </p>
  
  <p>How would you do this in django ?</p>