new_contents: ```
  from django.contrib import admin
  from blog.models import Post
  
  class PostAdmin(admin.ModelAdmin):
          # fields display on change list
          list_display = ['title', 'description']
          # fields to filter the change list with
          list_filter = ['published', 'created']
          # fields to search in change list
          search_fields = ['title', 'description', 'content']
          # enable the date drill down on change list
          date_hierarchy = 'created'
          # enable the save buttons on top on change form
          save_on_top = True
          # prepopulate the slug from the title - big timesaver!
          prepopulated_fields = {"slug": ("title",)}
       
  admin.site.register(Post, PostAdmin)
  ```
  
subject: Create admin.py