If you are serious about gaining your Linux Essentials certification you can gain a heavily discounted price to my Linux Essentials course via this link: https://www.udemy.com/learning-linux-essentials-taking-your-first-steps-in-linux/?couponCode=youtube-video More videos like this online at http://www.theurbanpenguin.com/ Although the LPI are not going to test you on Python you can be expected to know what tools can be used to help sysadmins in Linux. It is also true to say some scripting skills will be useful in any admin position so lets start with a little python primer that will write to the /etc/hosts file