---
- name: Registering a variable
  hosts: nodes
  tasks:
    - name: Execution 
      command: "ls -l /root"
      register: info

    - name: calling register variable
      debug:
         var: info

# Calling same registered variable through msg arument in debug module

    - name: Calling through msg
      debug:
         msg: "{{ info }}"
...
# If we do not use -v option while executing playbook ansible do not carry output it leaves them on managed host onlywhenever playbook run
# Note we do not use jinja delimiters as var argument in debug module is itself wrapped in jinja "{{ }}"
# filename: register.yml