Now, start the development server with the python manage.py runserver command and open http://127.0.0.1:8000/admin/ in your browser. You should see the administration login page, as shown in the following screenshot:

Log in using the credentials of the user you created in the preceding step. You will see the admin site index page, as shown in the following screenshot:

The Group and User models you see in the preceding screenshot are part of the Django authentication framework located in django.contrib.auth. If you click on Users, you will see the user you created previously. The Post model of your blog application has a relationship with this User model. Remember that it is a relationship defined by the author field.