install python2.7

sudo apt install postgresql postgresql-contrib
change password to trueguide123
sudo apt install python2-minimal

curl https://bootstrap.pypa.io/pip/2.7/get-pip.py --output get-pip.py
sudo python2 get-pip.py

sudo apt-get install python-dev
pip install psycopg2

sudo add-apt-repository ppa:deadsnakes/ppa
sudo apt install python3.7
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
python3.7 get-pip.py