install python3.8 in ubuntu linux

Python is a popular general-purpose programming language that can be used for a wide variety of applications. It includes high-level data structures,

dynamic typing, dynamic binding, and many more features that make it as useful for complex application development as it is for scripting or "glue code" that connects components together. It can also be extended to make system calls to almost all operating systems and to run code written in C or C++. Due to its ubiquity and ability to run on nearly every system architecture, Python is a universal language found in a variety of different applications.

Step 1) Update APT 

$ sudo apt update

 

Step 2) Install software-properties-common

$ sudo apt install software-properties-common

 

Step 3) Add ppa

$ sudo add-apt-repository ppa:deadsnakes/ppa

 

Step 4) Update APT 

$ sudo apt update

 

Step 5) Install python 3.8 and check version.

$ sudo apt install python3.8
$ python3 --version

Step 6) Install Pip 

• PIP is a package manager for Python packages or Modules/Dependencies.

$ sudo apt install python3-pip

Python Version        Released Date

Python 1.0                    January 1994
Python 1.5                    December 31, 1997
Python 1.6                    September 5, 2000
Python 2.0                    October 16, 2000
Python 2.1                    April 17, 2001
Python 2.2                    December 21, 2001
Python 2.3                    July 29, 2003
Python 2.4                    November 30, 2004
Python 2.5                    September 19, 2006
Python 2.6                    October 1, 2008
Python 2.7                    July 3, 2010
Python 3.0                    December 3, 2008
Python 3.1                    June 27, 2009
Python 3.2                    February 20, 2011
Python 3.3                    September 29, 2012
Python 3.4                    March 16, 2014
Python 3.5                    September 13, 2015
Python 3.6                    December 23, 2016
Python 3.7                    June 27, 2018
Python 3.8                    October 14, 2019
pyhtom 3.9                    October 5, 2020.
Python 3.10                   October 4, 2021.