old_contents: from django.contrib import admin
  
  # Register your models here.
  
new_contents: from django.contrib import admin
  from game.models import *
  
  class LocationAdmin(admin.ModelAdmin):
      model = Location
  
  admin.site.register(Location, LocationAdmin)
  
  class DetailAdmin(admin.ModelAdmin):
  
      model = Detail
  
  admin.site.register(Detail, DetailAdmin)
  
subject: Add models to Admin Panel