[Answer]-How to use different global variable for different browser sessions in Django website

You can get that info from:

request.META['HTTP_USER_AGENT']

Some output will be for example:

   Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.70 Safari/537.36

Maybe you can find helpful this snippet