Open terminal in this directory :
sudo apt-get install python3.7
sudo apt install python-pip
sudo pip install pipenv
sudo pip install django
sudo pip install djangorestframework
sudo pip install djangorestframework-jwt
sudo pip install django-cors-headers
sudo apt install python3-pip
sudo pip3 install pipenv
sudo pip3 install django
sudo pip3 install djangorestframework
sudo pip3 install djangorestframework-jwt
sudo pip3 install django-cors-header
pipenv install
pipenv shell
pipenv install django
pipenv install djangorestframework
pipenv install djangorestframework-jwt
pipenv install django-cors-headers
pipenv shell
cd backend
python3 manage.py runserver
cd frotend/myapp2
npm i
npm start