Ansible producing JSON vs Python-like output.

test.yml

---
- hosts: localhost
  vars:
    main:
      Foo: false
      aBool: false

    myLoop:
      - override: 
            Foo: false
            aBool: true
      - override: 
            Foo: true
            aBool: false
  tasks:
    - name: Test with debug module
      loop: "{{ myLoop }}"
      debug:
        msg: '{ "outer":{{  main | combine(item.override, recursive=True) | to_json }} }'

    - name: Test with copy module
      loop: "{{ myLoop }}"
      copy:
        content: '{ "outer":{{  main | combine(item.override, recursive=True) | to_json }} }'
        dest: /tmp/test.json