id,username,password,sudo
1,ansible1,ansible@123,yes
2,ansible2,ansible@123,no
3,ansible3,ansible@123,yes
4,ansible4,ansible@123,yes

---
## executed but until loop failed; check
- hosts: 192.168.0.3
  vars:
    count: "{{COUNT}}"
    x: "1"
    uname: "{{ lookup('csvfile', '{{x}} file=userlist.csv delimiter=, col=1') }}"
    password: "{{ lookup('csvfile', '{{x}} file=userlist.csv delimiter=, col=2') }}"
    sudo: "{{ lookup('csvfile', '{{x}} file=userlist.csv delimiter=, col=3') }}"

  tasks:
    name: "user add"
    action:
     - user:
         x: "x+=1"
         name: "{{ uname }}"
         password: "{{ password }}"
         state: present
    register: x
    until: "{{x > count}}"

    name: "add to sudoers"
    when: sudo == "yes"
    lineinfile:
      dest: /etc/sudoers