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 ./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 virutal environment.
Any issues? Please submit an issue!