I and execute python manage.py startapp app001 in mysite folder by django-admin startproject mysite to create a name APP
Html folder are not equipped with the folder templates
Just have to create a file named templates folder in the folder mysite
Then configure the path setting.py
Add the contents of the red box on it
HTML files created in the templates folder can function in view file a successful call
Then try running python manage.py runserver 8080 you can see the contents of the html on the page