[Django]-What is the difference between Authorization and Authentication in Django?

Straight out of the Django Documentation:

The Django authentication system handles both authentication and authorization. Briefly, authentication verifies a user is who they claim to be, and authorization determines what an authenticated user is allowed to do. Here the term authentication is used to refer to both tasks.

From the django docs:

authentication verifies a user is who they claim to be, and authorization determines what an authenticated user is allowed to do