error installing psycopg2 code example

Example 1: error while installing psycopg2 on ubuntu 20.04

$ sudo apt-get install libpq-dev python-dev

Example 2: packages required to install psycopg2

pip install psycopg2-binary

Example 3: psycopg2 error install

sudo apt install libpq-dev python3-dev
sudo apt install build-essential

Example 4: psycopg2 error

$ pip install psycopg2-binary