[cmd]
python -m venv directory_name
cd directory_name/Scripts
activate.bat
(deactivate.bat是離開)
cd ..
pip install django
pip install djangorestframework
Scripts\django-admin.exe startproject restful01
cd restful01
python manage.py startapp toys

~Installing Django and Django REST frameworks in an isolated environment
(要熟悉一下目錄與檔案的意義)