Installing Ansible on Ubuntu

Follow the following commands:

$sudo apt-get update

$sudo apt-get upgrade -y

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

$sudo apt-get update

$sudo apt-get install ansible -y

$sudo apt-get install python -y

Removing exicting python and installing python 3.7 for ansible:
$sudo apt autoremove python
$sudo apt install python3.7