To view the working code locally on your computer, first clone the entire repo.
$ git clone https://github.com/wsvincent/djangoforbeginners.git
Then cd into the directory of your choice. Start the local pipenv environment pipenv shell and install local packages pipenv install. Then you can use python manage.py runserver to run the code locally at http://localhost:8000/.
For example, to try out Ch4: Message Board app you'd execute the following commands
$ cd ch4-message-board-app
$ pipenv shell
(mb) $ pipenv install
(mb) $ python manage.py runserver
Make you type exit when done leave your virtual environment.
Any issues? Please submit an issue!