---
- name: combination of importing both task as well as variable
  hosts: nodes
#  vars_files:
#    - /root/playbooks/imp_variable.yml
  tasks:
    - name: Deleting other user through import tasks
      import_tasks: /root/playbooks/userdel2.yml
     
#     - name: importing combine variable from other file
#       user: 
#          name: "{{ 'username' }}" 
#          state: absent
...