old_contents: from django.contrib import admin
  
  # Register your models here.
  
new_contents: from django.contrib import admin
  from django.contrib.admin import ModelAdmin
  
  from .models import Editor, NativeEditor
  
  
  @admin.register(Editor)
  class EditorAdmin(ModelAdmin):
      pass
  
  
  @admin.register(NativeEditor)
  class NativeEditorAdmin(ModelAdmin):
      pass
  
subject: Add editors admin