There are many different programming languages ​ ​ today. Some of them are popular and some of them are not very popular. Usually, the popularity of a language is determined by the number of programmers who use it in their work on an ongoing basis, or at the request of employers who are looking for programming employees. For many years, the traditionally popular programming languages ​ ​ are Java, C++, C #, j & # 097; vascript and PHP. Recently, the Python programming language has been increasingly mentioned in this great company. Even more - according to some polls, the Python language is already in the lead. It is this language that the book is dedicated to.