Python3.7 on ubuntu 22.04 Jammy

Python3.7 on ubuntu22.04 Jammy

## Install Python3.7 interpreter on ubuntu 22.04


On a terminal just do the following steps:

Install dependencies:

     sudo apt install tar build-essential ch1eckinstall  libreadline-dev \
	libncursesw5-dev libssl-dev libsqlite3-dev tk-dev libgdbm-dev libc6-dev \
	libbz2-dev openssl libffi-dev

Download and untar the desired version: 
	
	mkdir -p $HOME/opt
	cd $HOME/opt
    	curl -O https://www.python.org/ftp/python/3.7.9/Python-3.7.9.tgz
    	tar -xzf Python-3.7.9.tgz 
    

Install python3.7 while keeping python3.10 as the default python3 version on ubuntu 22.04.
    
    	cd Python-3.7.9/
    	./configure --enable-shared --enable-optimizations --prefix=/usr/local LDFLAGS="-Wl,--rpath=/usr/local/lib"
    	sudo make altinstall


Check it was installed properly:

  	>> python3.7 -V
  	Python 3.7.9
    
Enjoy!