the beginning this part of the book gets things started by taking us on quick tour that reviews python fundamental prerequisites and introduces some of the most common ways it is applied this kicks things off by using simple example--recording information about people--to briefly introduce some of the major python application domains we'll be studying in this book we'll migrate the same example through multiple steps along the waywe'll meet databasesguiswebsitesand more this is something of demo designed to pique your interest we won' learn the full story herebut we'll have chance to see python in action before digging into the details this also serves as review of some core language ideas you should be familiar with before starting this booksuch as data representation and object-oriented programming (oopthe point of this part of the book is not to give you an in-depth look at pythonbut just to let you sample its application and to provide you with quick look at some of python' broader goals and purposes