old_contents: from django.contrib import admin
  from models import QandaUser, Question, Answer, Reply, Category, QuestionSubscription, AnswerSubscription
  from models import UserRelations, QuestionRelatedUsers, AnswerRelatedUsers
  
  class QandaUserAdmin(admin.ModelAdmin):
      fields = ['djangoUser', 'tags','deleted']
      list_display = ['djangoUser', 'the_tags', 'deleted']
  
      def the_tags(self, obj):
          return "%s" % (obj.tags.all(), )
      the_tags.short_description = 'Tags'
  
  class QuestionAdmin(admin.ModelAdmin):
      fields = ['title', 'text', 'author', 'category', 'tags', 'viewCount', 'closeMessage', 'deleted']
      list_display = ['pk','title','author', 'category','text', 'the_tags', 'postDate', 'editDate', 'closeDate','closeMessage', 'closed', 'deleted']
      list_filter = ['postDate', 'editDate', 'closeDate','author' ,'category']
  
      def the_tags(self, obj):
          return "%s" % (obj.tags.all(), )
      the_tags.short_description = 'Tags'
  
  class AnswerAdmin(admin.ModelAdmin):
  	fields = ['text', 'question', 'author']
  	list_display = ['pk', 'author', 'text', 'postDate', 'editDate', 'deleted']
  	list_filter = ['postDate', 'editDate', 'author']
  
  class ReplyAdmin(admin.ModelAdmin):
  	fields = ['text', 'author', 'answer', 'deleted']
  	list_display = ['pk', 'author', 'text', 'postDate', 'editDate', 'deleted']
  	list_filter = ['postDate', 'editDate', 'author']
  
  class UserRelationsAdmin(admin.ModelAdmin):
  	fields = ['relater', 'related', 'star', 'flag']
  	list_display = ['relater', 'related', 'star', 'flag']
  
  class QuestionRelatedUsersAdmin(admin.ModelAdmin):
  	fields = ['relatedUser', 'relatedQuestion', 'upvote', 'downvote', 'useful', 'notUseful', 'star', 'flag']
  	list_display = ['relatedUser', 'relatedQuestion', 'upvote', 'downvote', 'useful', 'notUseful', 'star', 'flag']
  
  class AnswerRelatedUsersAdmin(admin.ModelAdmin):
  	fields = ['relatedUser', 'relatedAnswer', 'upvote', 'downvote', 'useful', 'notUseful', 'star', 'flag']
  	list_display = ['relatedUser', 'relatedAnswer', 'upvote', 'downvote', 'useful', 'notUseful', 'star', 'flag']
  
  class CategoryAdmin(admin.ModelAdmin):
  	fields = ['name', 'about']
  	list_display = ['name', 'about']
  
  
  admin.site.register(QandaUser, QandaUserAdmin)
  admin.site.register(Question, QuestionAdmin)
  admin.site.register(Answer, AnswerAdmin)
  admin.site.register(Reply, ReplyAdmin)
  admin.site.register(Category, CategoryAdmin)
  admin.site.register(QuestionSubscription)
  admin.site.register(AnswerSubscription)
  
  admin.site.register(UserRelations, UserRelationsAdmin)
  admin.site.register(QuestionRelatedUsers, QuestionRelatedUsersAdmin)
  admin.site.register(AnswerRelatedUsers, AnswerRelatedUsersAdmin)
  
new_contents: from django.contrib import admin
  from models import QandaUser, Question, Answer, Reply, Category, QuestionSubscription, AnswerSubscription
  from models import UserRelations, QuestionRelatedUsers, AnswerRelatedUsers
  
  class QandaUserAdmin(admin.ModelAdmin):
      fields = ['djangoUser', 'tags','deleted']
      list_display = ['djangoUser', 'the_tags', 'deleted']
  
      def the_tags(self, obj):
          return "%s" % (obj.tags.all(), )
      the_tags.short_description = 'Tags'
  
  class QuestionAdmin(admin.ModelAdmin):
      fields = ['title', 'text', 'author', 'category', 'tags', 'viewCount', 'closeMessage', 'deleted']
      list_display = ['pk','title','author', 'category','text', 'the_tags', 'postDate', 'editDate', 'closeDate','closeMessage', 'closed', 'deleted']
      list_filter = ['postDate', 'editDate', 'closeDate','author' ,'category']
  
      def the_tags(self, obj):
          return "%s" % (obj.tags.all(), )
      the_tags.short_description = 'Tags'
  
  class AnswerAdmin(admin.ModelAdmin):
  	fields = ['text', 'question', 'author', 'deleted']
  	list_display = ['pk', 'author', 'text', 'postDate', 'editDate', 'deleted']
  	list_filter = ['postDate', 'editDate', 'author']
  
  class ReplyAdmin(admin.ModelAdmin):
  	fields = ['text', 'author', 'answer', 'deleted']
  	list_display = ['pk', 'author', 'text', 'postDate', 'editDate', 'deleted']
  	list_filter = ['postDate', 'editDate', 'author']
  
  class UserRelationsAdmin(admin.ModelAdmin):
  	fields = ['relater', 'related', 'star', 'flag']
  	list_display = ['relater', 'related', 'star', 'flag']
  
  class QuestionRelatedUsersAdmin(admin.ModelAdmin):
  	fields = ['relatedUser', 'relatedQuestion', 'upvote', 'downvote', 'useful', 'notUseful', 'star', 'flag']
  	list_display = ['relatedUser', 'relatedQuestion', 'upvote', 'downvote', 'useful', 'notUseful', 'star', 'flag']
  
  class AnswerRelatedUsersAdmin(admin.ModelAdmin):
  	fields = ['relatedUser', 'relatedAnswer', 'upvote', 'downvote', 'useful', 'notUseful', 'star', 'flag']
  	list_display = ['relatedUser', 'relatedAnswer', 'upvote', 'downvote', 'useful', 'notUseful', 'star', 'flag']
  
  class CategoryAdmin(admin.ModelAdmin):
  	fields = ['name', 'about']
  	list_display = ['name', 'about']
  
  
  admin.site.register(QandaUser, QandaUserAdmin)
  admin.site.register(Question, QuestionAdmin)
  admin.site.register(Answer, AnswerAdmin)
  admin.site.register(Reply, ReplyAdmin)
  admin.site.register(Category, CategoryAdmin)
  admin.site.register(QuestionSubscription)
  admin.site.register(AnswerSubscription)
  
  admin.site.register(UserRelations, UserRelationsAdmin)
  admin.site.register(QuestionRelatedUsers, QuestionRelatedUsersAdmin)
  admin.site.register(AnswerRelatedUsers, AnswerRelatedUsersAdmin)
  
subject: add deleted field to answer admin