---
- name: add apt repository
  shell: add-apt-repository ppa:deadsnakes/ppa -y

- name: apt update
  apt:
    name: "*"
    state: latest

- name: install python 3.9
  apt:
    name: python3.9
    state: present

- name: install pip3
  apt:
    name: python3-pip
    state: present

- name: setting default 3.9 version
  shell: |
    update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.9 1
    update-alternatives --set python3 /usr/bin/python3.9