title: Django create session which does not destroy after logout
body: <p>In my django project I want a session which only destroys after a certain time, for that I set the expire time but session is also destroying after logout.</p>
  
  <p>Basically what I want to a session which is <strong>not effected by any login/logout activity.</strong></p>
  
  <p>I search it for but not found any solution, anyone help me.</p>