django-urls

from django.conf.urls import url
from . import views
urlpatterns=[
    url(r'^$',views.index),
    url(r'^(\d+)$',views.show)
]



from django.conf.urls import include, url
from django.contrib import admin

urlpatterns = [
    url(r'^admin/', include(admin.site.urls)),
    url(r'^',include('booktest.urls'))
]

setting:
TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        **'DIRS': [os.path.join(BASE_DIR,'templates')],**
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]