Reading Time: 5 minutes This tutorial will guide you on How to use different Ansible variables with examples. You can use Ansible variables to manage differences between hosts. Using Ansible, you can execute tasks and playbooks on multiple different systems with a single command. To represent the variations among those different systems, you can create variables with standard YAML syntax, including lists and dictionaries. You must define these variables in your playbooks, in your, Inventory in reusable files or roles, or at the command line. You can also create variables during a playbook run by registering the return value or values of a task as a new variable.