Please create a code to make the Login, Registration, and User Profile model work. I included the group functionality so you could see a complete example of handling forms and how a many-to-many relationship is done.

Basically can you

Add the model, create a migration, do the db upgrade

Write tests to test the model

Make a form class and html template to display the form

Make a controller for that page and add the logic to process the form as necessary

Write a test for the controller

Write tests as necessary to verify redirection to wherever the user can view the submitted data.

Note: Don't forget that you should make tests assert the condition of the database, perform an action to insert a record, and then check the database to see that its added