title: ansible print ec2_tag register list
body: <p>i have this simple task which i get ec2 instance tgs 
  i like to print out the return list of values .</p>
  
  <pre><code>- name: get my tagging
    local_action:
      module: ec2_tag
      region: "{{ region }}"
      resource: "{{ instance_id }}"
      state: list
    register: my_ec2_tags
    tags:
      - spots
  </code></pre>
  
  <p>this don't print me any value </p>
  
  <pre><code>- name: Display all ec2_tags
    debug:
      var: my_ec2_tags
      verbosity: 3
  </code></pre>
  
  <p>how can i print all the values of my_ec2_tags so i could know if it was set right ?</p>