How do I access environment variables in Ansible?

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How do I access environment variables in Ansible? I know we can use the lookup plugin but I'm not sure how to.
Jan 24 in Ansible by Nagraj
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Yes @Nagray, you're right! You can access the environment variables on the local server using the lookup plugin. It lets you access the system data and environment variables. 

Example: prints HOME env variable

- hosts: all
  tasks:
    - name: Printing the environment​ variable in Ansible
      debug:
        msg: "{{ lookup('env','HOME') }}"

output
------
"msg": "/Users/mdtutorials2"
answered Jan 24 by Tessie

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