Loop is not working with data type test as conditional in Ansible

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When I execute ansible playbook with this command and extra vars as
ansible-playbook controller_config/windows_domain_names.yml -e "target_win_host=testserver.testdomain.com"

ansible-playbook controller_config/windows_domain_names.yml -e "target_win_host=testserver.testdomain.com"

with one task inside it
- name: Find if the variable target_win_host is a list
debug:
msg: "{{ item }} is list data type"
loop: "{{ target_win_host}}"
when: target_win_host | type_debug == 'list'

- name: Find if the variable target_win_host is a list
debug:
msg: "{{ item }} is list data type"
loop: "{{ target_win_host}}"
when: target_win_host | type_debug == 'list'

I got the error as

"Invalid data passed to 'loop', it requires a list, got this instead: testserver.testdomain.com. Hint: If you passed a list/dict of just one element, try adding wantlist=True to your lookup invocation or use q/query instead of lookup."

"Invalid data passed to 'loop', it requires a list, got this instead: testserver.testdomain.com. Hint: If you passed a list/dict of just one element, try adding wantlist=True to your lookup invocation or use q/query instead of lookup."
I expect the above block should be skipped as this does not meet the condition that variable is a list and that its a scalar (string).
I expect the above block should be skipped as this does not meet the condition that variable is a list and that its a scalar (string).
I tried with different condition as below
- name: Find if the variable target_win_host is a list
debug:
msg: "{{ item }} is list data type"
loop: "{{ target_win_host}}"
when: target_win_host is not string and target_win_host is iterable and target_win_host is sequence

- name: Find if the variable target_win_host is a list
debug:
msg: "{{ item }} is list data type"
loop: "{{ target_win_host}}"
when: target_win_host is not string and target_win_host is iterable and target_win_host is sequence

but same error as above.
Tags: ansibleSource of the question:
https://stackoverflow.com/questions/79002263

Question and source license information:
https://meta.stackexchange.com/help/licensing
https://stackoverflow.com/

Видео Loop is not working with data type test as conditional in Ansible канала Emrah KAYA