Ansible template from jinja2

Question

Who can tell you how to implement the output of all regions in the name1 group when entering a template named region1a, and when entering a template named region2b, output all r

Answer 1

Thank you all for your help. Still, I managed to figure it out myself. Here is the final solution:

{% for country in AllCountry %}
{% if item in lookup('vars', country) %}{% for count in lookup('vars', country) %} "My country = {{ count }}"{% if not loop.last %},{% endif %}{% endfor %}{% endif %}{% endfor %}