https://stackoverflow.com/questions/68624270/ansible-extract-element-from-list-and-set-it-to-varible-set-fact

gistfile1.txt

$ ansible localhost -m debug -a "msg={{ multi_config | type_debug }}" -e '{"multi_config":{"aa":111,"bb":222,"cc":444}}'
localhost | SUCCESS => {
    "msg": "dict"
}

$ ansible localhost -m debug -a var=multi_config -e '{"multi_config":{"aa":111,"bb":222,"cc":444}}'
localhost | SUCCESS => {
    "multi_config": {
        "aa": 111,
        "bb": 222,
        "cc": 444
    }
}

$ ansible localhost -m debug -a "msg={{ a_list | type_debug }}" -e '{"a_list":[1, 2, "three", "four"]}'
localhost | SUCCESS => {
    "msg": "list"
}

$ ansible localhost -m debug -a var=a_list -e '{"a_list":[1, 2, "three", "four"]}'
localhost | SUCCESS => {
    "a_list": [
        1,
        2,
        "three",
        "four"
    ]
}