Ansible:如何将字典(键:值对的数量不确定)转换为字符串？

- name: 将字典转换为字符串
  hosts: localhost
  gather_facts: false
  vars:
    my_dict:
      key1: value1
      key2: value2
      key3: value3
  tasks:
    - name: 将字典转换为字符串
      debug:
        msg: "{{ my_dict | to_json }}"

TASK [将字典转换为字符串] ******************************************************************************************
ok: [localhost] => {
    "msg": "{\"key1\": \"value1\", \"key2\": \"value2\", \"key3\": \"value3\"}"
}