Python is one of the best programming languages to learn first. As you get started, this one-page reference sheet of variables, methods, and formatting options could come in quite handy.
Provided by Dave Child, the cheat sheet includes both built-in system and operating system variables, as well as standard methods for working with lists, files, and strings—and more. You can download it for free in PDF or PNG version or view it online at the link below. Or right-click on the image here to save it: