text: from django.urls import path, include
  from rest_framework import routers
  from .views import BookViewSet
  
  router = routers.DefaultRouter()
  # register url
  # http://127.0.0.1:8000/demo/books/
  router.register('books', BookViewSet)
  
  urlpatterns = [
      path('', include(router.urls))
  ]
  