new_contents: from django.views.generic import ListView
  
  from models import Ticket
  
  
  class MyTicketListView(ListView):
      model = Ticket
      template_name = 'tickets/ticket_mylist.html'
  
      def get_queryset(self):
          return Ticket.objects.filter(creator=self.request.user)
  
subject: implement generic my ticket list view