old_contents: from django.contrib import admin
  
  from .models import EventApplication, Coorganizer
  
  
  class InlineCoorganizerAdmin(admin.TabularInline):
      model = Coorganizer
      extra = 1
  
  
  @admin.register(EventApplication)
  class EventApplicationAdmin(admin.ModelAdmin):
      list_display = ('city', 'country', 'date')
      inlines = (InlineCoorganizerAdmin,)
  
new_contents: from django.contrib import admin
  
  from .models import EventApplication, Coorganizer
  
  
  class InlineCoorganizerAdmin(admin.TabularInline):
      model = Coorganizer
      extra = 1
  
  
  @admin.register(EventApplication)
  class EventApplicationAdmin(admin.ModelAdmin):
      list_display = (
          'city',
          'country',
          'date',
          'main_organizer',
          'status',
          'comment',
          'rejection_reason',
      )
      inlines = (InlineCoorganizerAdmin,)
  
      def main_organizer(self, obj):
          return "{} {} ({})".format(
              obj.main_organizer_first_name,
              obj.main_organizer_last_name,
              obj.main_organizer_email
          )
  
subject: Add status, main organizer name, comment and rejection to admin list view.