Created a new blog app.

Module01/mysite/blog/admin.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

Module01/mysite/blog/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class BlogConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'blog'

Module01/mysite/blog/models.py

@@ -0,0 +1,3 @@
+from django.db import models
+
+# Create your models here.

Module01/mysite/blog/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

Module01/mysite/blog/views.py

@@ -0,0 +1,3 @@
+from django.shortcuts import render
+
+# Create your views here.

Module01/mysite/mysite/settings.py

@@ -37,6 +37,7 @@
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
+    'blog.apps.BlogConfig',
 ]
 
 MIDDLEWARE = [

Module01/mysite/mysite/urls.py

@@ -15,8 +15,9 @@
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
 from django.contrib import admin
-from django.urls import path
+from django.urls import path, include
 
 urlpatterns = [
     path('admin/', admin.site.urls),
+    path('blog/', include('blog.urls', namespace='blog')),
 ]