text: from django.contrib import admin
  from django.urls import path
  from . import views
  from django.conf import settings
  from django.conf.urls.static import static
  from django.conf.urls import handler400, handler403, handler404, handler500
  
  # register namespace
  app_name = 'web_app'
  urlpatterns = [
      path('', views.home, name="home"),
      path('sign_in/', views.sign_in, name="login"),
      path('user_home/', views.show_logged_in_home_page, name="user_home"),
      path('user_home/logout/', views.sign_out, name="log_out"),
      path('user_home/<str:query>/', views.home_actions, name="home_actions"),
      path('grader/<str:input_txt>/', views.show_grader_page, name="grade_doc"),
      path('user_home/delete/<str:input_txt>/', views.show_delete_page, name="delete_doc"),
      path('user_home/confirmed_delete/<str:input_txt>/', views.confirmed_delete, name="delete_confirmation"),
      path('ajax_grader/', views.ajax_grader, name="ajax_grader"),
      path('file_downloader/', views.file_downloader, name="download_doc")
  
  ]
  
  if settings.DEBUG:
      urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
  