old_contents: from django.conf.urls import patterns, url
  from blog import views
  
  urlpatterns = patterns('',
      url(r'^$', views.index, name='index')
  )
  
new_contents: from django.conf.urls import patterns, url
  from blog import views
  
  urlpatterns = patterns('',
      url(r'^$', views.index, name='index'),
      url(r'^new/$', views.new_post, name='post-new'),
      url(r'^(?P<id>\d+)/$', views.view_post, name='post-detail'),
      url(r'^(?P<id>\d+)/edit/$', views.modify_post, name='post-modify'),
      url(r'^(?P<id>\d+)/delete/$', views.delete_post, name='post-delete'),
  )
  
subject: Add missing urls to blog