old_contents: from django.contrib import admin
  from gym_app.models import Task, Athlete, PersonalTrainer, BodyScreening, WorkoutPlan, Tracker, MailBox, Message
  from django.contrib.auth.models import Permission
  
  # Register your models here.
  admin.site.register(Task)
  admin.site.register(Permission)
  admin.site.register(Athlete)
  admin.site.register(PersonalTrainer)
  admin.site.register(BodyScreening)
  admin.site.register(WorkoutPlan)
  admin.site.register(Tracker)
  admin.site.register(MailBox)
  admin.site.register(Message)
  
  
  
  
  
new_contents: from django.contrib import admin
  from gym_app.models import Task
  from django.contrib.auth.models import Permission
  
  # Register your models here.
  admin.site.register(Task)
  admin.site.register(Permission)
  
  
  
  
  
subject: Remove permission to edit tables