---
- name: install and check python
  hosts: all
  gather_facts: yes
  become: yes


  vars:
    install_pkgs: yes


  tasks:
    - name: Set ansible_python_interpreter if not defined
      set_fact:
        ansible_python_interpreter: /usr/bin/python
      when:
        - ansible_python_interpreter is not defined


    - name: Install python packages
      package :
        name  : "{{ item }}"
        state : present
      with_items:
        - python2
        - python3
      when:
        - install_pkgs|bool


    - name: Debug python interpreter
      debug:
        var: ansible_python_interpreter


    - name: Check Python version
      debug:
        var: ansible_python_version


    - name: Check executable
      debug:
        var: ansible_python.executable


    - name: Deploy sample script
      copy:
        src   : files/pytest.py
        dest  : /tmp/pytest.py
        mode  : 0755


    - name: Execute sample script
      command  : "{{ ansible_python_interpreter }} /tmp/pytest.py"
      register : r_sample_script


    - name: Show r_sample_script
      debug:
        var: r_sample_script


    - name: Cleanup sample script
      file:
        path  : /tmp/pytest.py
        state : absent



...