python - Ansible: printing out JSON first level keys names -


example :

{         "fw1": {                 "ipv4": {                         "rtr": {                                  "ip": "1.2.3.4",                                 "net": "1.2.3.4",                          }                 }         },         "fw2": {                 "ipv4": {                         "rtr": {                                 "ip": "4.3.2.1",                                 "net": "4.3.2.1",                          }                 }         } }

i need list first level keys of json file.
using 'from_json).keys()' strange syntax --> [u'fw1', u'fw2'].
where 'u' characters come , how rid of them ? there way list keys instead of getting them in array ?

you don't need use from_json here:

--- - hosts: localhost   gather_facts: true   vars:     my_json: "{{ lookup('file','test.json') }}"   tasks:     - debug:         msg: "keys list: {{ my_json.keys() }}"

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