w3cschool_jdango_demo/polls/urls.py

from django.urls import path

from . import views

app_name = 'polls'
urlpatterns = [
    path('', views.index, name='index'),
    path('<int:question_id>/', views.detail, name='detail'),
    path('<int:question_id>/results/', views.result, name='result'),
    path('<int:question_id>/vote/', views.vote, name='vote')

]