Ansbile playbook sample - get dictionary value

accounts.yaml

---
- hosts: localhost

  vars:
    accounts:
      dev: 
        account: 123
        contact: Jackie@123.com
      uat:
        account: 456
        contact: Jackie@456.com
      prd: 
        account: 789
        contact: Jackie@789.com

  gather_facts: no  

  tasks:
    - name: Find account information method 1
      debug:
        msg: "{{ env }} account number is {{ item.value.account }}, contact email is {{ item.value.contact }}"        
      loop: "{{ lookup('dict', accounts) }}"
      when: "env in item.key"

    - name: Find account information method 2
      debug:
        msg: "{{ env }} account number is {{ accounts[env].account }}, contact email is {{ accounts[env].contact }}"