ubuntu python python3 code example

Example 1: how to install python3 in ubuntu

sudo apt update
sudo apt install software-properties-common
sudo add-apt-repository ppa:deadsnakes/ppa
sudo apt update
sudo apt install python3.8

Example 2: update link python is python 3

$ unalias python
$ python --version
Python 2.7.6

Example 3: update link python is python 3

$ command python --version
Python 2.7.6