install Python: Python v 3.7.*, pipenv code example

Example 1: how to install pipenv

pipenv --python <version> install django==<version>
pipenv shell

django-admin startproject <name> .

Example 2: pipenv

$ cd ~/Desktop
$ mkdir folder && cd folder
$ pipenv install django~=3.1.0
$ pipenv shell
(folder) $ django-admin.py startproject my_project .
(folder) $ python manage.py migrate
(folder) $ python manage.py runserver