upgrade python 2.7 code example
Example 1: update python ubuntu
sudo apt-get update && sudo apt-get upgrade
sudo apt-get install python3.7
Example 2: update python ubuntu
$ sudo apt update -y
$ sudo apt install python3.7
sudo apt-get update && sudo apt-get upgrade
sudo apt-get install python3.7
$ sudo apt update -y
$ sudo apt install python3.7