ansible - example of pulling elements from list of dicts, into a list

desired_format

FROM:
[{"id": 1, "field2": "23@46"}, {"id": 2, "field2": "33333@45"}, {"id": 3, "field2": "23444@4634234234"}]


TO:
[23, 1, 46, 33333, 2, 45, 23444, 3, 4634234234]

play.yml

---
- hosts: localhost
  gather_facts: False
  connection: local
  vars:
    mylistofdicts: [{"id": 1, "field2": "23@46"}, {"id": 2, "field2": "33333@45"}, {"id": 3, "field2": "23444@4634234234"}]
  tasks:
    - set_fact:
        mylist: "{{ mylist|default([]) + [
          item.field2|regex_replace('(.*)@(.*)', '\\1'),
          item.id,
          item.field2|regex_replace('(.*)@(.*)', '\\2')
        ] }}"
      with_items: "{{ mylistofdicts }}"
      
    - debug:
        var: mylist