old_contents: from django.contrib import admin
  
  # Register your models here.
  
new_contents: from django.contrib import admin
  
  from .models import Guide, Feedback
  
  
  class GuideAdmin(admin.ModelAdmin):
      pass
  
  
  class FeedbackAdmin(admin.ModelAdmin):
      pass
  
  admin.site.register(Guide, GuideAdmin)
  admin.site.register(Feedback, FeedbackAdmin)
  
subject: Add admin to guide and feedback.