text: from django.conf.urls import url
  from . import views
  
  app_name = 'polls'
  
  urlpatterns = [
      url(r'^$', views.IndexView.as_view(), name = 'index'),
      url(r'^(?P<pk>\d+)/$', views.DetailView.as_view(), name = 'detail'),
      url(r'^(?P<pk>\d+)/results/$', views.ResultsView.as_view(), name = 'results'),
      url(r'^(?P<question_id>\d+)/vote/$', views.vote, name = 'vote'),
  ]
  