Python is the easiest to learn and once you have a good grounding in it, you can move on to another, more complicated language. Python is a beautiful computer language. It is simple, and it is intuitive. Python is used by a sort of people - data scientists use it for much of their number crunching and analytics; security testers use it for testing out security and IT attacks; it is used to develop high-quality web applications and many of the large applications that you use on the internet are also written in Python, including YouTube, DropBox, and Instagram.In this book youll learn:Setting Up Python EnvironmentVariables and Programs in FilesFunctionsDictionaries, Lists, and TuplesThe for LoopClassesModulesFile Input/OutputError Handlingand much more!