Install multiple packages w ansible

httpd.yml

---                                                                                                                                        │Kernel has been successfully updated to kernel-3.10.0-957.5.1.el7.x86_64!
- hosts: webservers                                                                                                                        │[ansible@digistro3c ~]$ cd
  become: true                                                                                                                             │[ansible@digistro3c ~]$ ls
  tasks:                                                                                                                                   │inventory.ini  playbooks
    - name: Install packages                                                                                                               │[ansible@digistro3c ~]$ cd playbooks/
      yum:                                                                                                                                 │[ansible@digistro3c playbooks]$ ls
        name: "{{ packages }}"                                                                                                             │hostname.yml  httpd.yml  nginx.yml
        state: present                                                                                                                     │[ansible@digistro3c playbooks]$ w
        update_cache: yes                                                                                                                  │ 00:27:38 up 30 min,  2 users,  load average: 0.00, 0.01, 0.05
      vars:                                                                                                                                │USER     TTY      FROM             LOGIN@   IDLE   JCPU   PCPU WHAT
        packages:                                                                                                                          │cloud_us pts/0    104-184-249-209. 23:58   10.00s  1.54s  2.67s sshd: cloud_user [priv]
          - httpd                                                                                                                          │ansible  pts/1    104-184-249-209. 00:27    2.00s  0.08s  0.00s w
          - vim                                                                                                                            │[ansible@digistro3c playbooks]$ which httpd
          - nano                                                                                                                           │/usr/bin/which: no httpd in (/usr/local/rvm/gems/ruby-2.4.1/bin:/usr/local/rvm/gems/ruby-2.4.1@glo
    - name: Start Httpd                                                                                                                    │bal/bin:/usr/local/rvm/rubies/ruby-2.4.1/bin:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/us
      service:                                                                                                                             │r/local/rvm/bin:/home/ansible/.local/bin:/home/ansible/bin)
        name: httpd                                                                                                                        │[ansible@digistro3c playbooks]$ systemctl status httpd
        state: started                                                                                                                     │Unit httpd.service could not be found.
        enabled: yes                                                                                                                       │[ansible@digistro3c playbooks]$
    - name: Create index.html                                                                                                              │
      file:                                                                                                                                │
        path: /var/www/html/index.html                                                                                                     │
        state: touch                                                                                                                       │
    - name: Add a line to index.html                                                                                                       │
      lineinfile:                                                                                                                          │
        path: /var/www/html/index.html                                                                                                     │
        line: "Hello World!"