text: from django.conf.urls import url
  from . import views
  
  
  app_name = "cart"
  
  
  urlpatterns = [
      url(r"^$", views.cart_detail, name="cart_detail"),
      url(r"^add/(?P<product_id>\d+)/$", views.cart_add, name="cart_add"),
      url(r"^remove/(?P<product_id>\d+)$", views.cart_remove, name="cart_remove"),
  ]
  