I’m not trying to be mean, but I think you might be trying to jump straight into the deep end before learning to swim. While the commands have been included in the guide in order for you to be able to install this, it really does help to understand what those commands do, and what they mean. I suggest first getting to know your pi a little bit better, learning how to get SSH going on that and then moving on to installing Ansible. There’s information on the raspberry pie website on how to get SSH enabled on your pi.