title: convert string to datetime in python
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/5719296/convert-string-to-datetime-in-django">Convert string to datetime in django?</a>  </p>
  </blockquote>
  
  
  
  <p>how to convert time string like '18:30:00' into datetime in python?</p>