---
  - name: "Gather the package facts ansible.builtin.package_facts"
    hosts: all
    gather_facts: True
    become: true

    tasks:

      - name: Gather the package facts
        package_facts:
          manager: auto

      - name: Print the package facts
        debug:
          var: ansible_facts.packages

      - name: Check whether a package called firewalld is installed
        ansible.builtin.debug:
          msg: "{{ ansible_facts.packages['firewalld'] | length }} versions of firewalld are installed!"
        when: "'firewalld' in ansible_facts.packages"

      - name: Check whether a package called aerhaewrhqwet is installed (True/false)
        ansible.builtin.debug:
          msg: "True"
        when: "'aerhaewrhqwet' in ansible_facts.packages"

      - name: Check whether a package called aerhaewrhqwet is installed (true/False)
        ansible.builtin.debug:
          msg: "False"
        when: "'aerhaewrhqwet' not in ansible_facts.packages"