Even bad code can work. However, if the code is not "clean," it will always interfere with the development of the project and the developer company, taking away significant resources for its support and "taming." This book is dedicated to good programming. It is full of real code examples. We will look at the code from different directions: from top to bottom, from bottom to top, and even from the inside. After reading the book, you will learn a lot about the code. Moreover, you will learn to distinguish good code from bad. You will learn how to write good code and how to convert bad code into good code.