Here is 11 lab session which will get you started with the Ansible from scratch.
There are many more similar sessions which I will be uploading so stay for similar content.
Part 1 : Ansible for Beginners: Learn the Fundamentals of IT Automation
Part 2 : Ansible Installation: The Windows, Ubuntu, CentOS, and macOS Guide
Part 3 : Ansible Project Structure: A Beginner's Guide to Inventory, Hosts, Roles, and Tasks
Part 4 : Securing Ansible with SSH Keys: A Comprehensive Guide
Part 5 : Ansible & YAML : What is YAML is Ansible
Part 6 : Ansible Handlers: A Step-by-Step Guide
Part 7 : Mastering Ansible Variable
Part 8 : How to use Ansible Environment variables?
Part 9 : Ansible when conditional explained
Part 10 : Ansible Roles and Tasks Exaplained
Part 11 : Ansible Jinja2 template explained