The third version of Python has made it even more powerful, user-friendly, logical and expressive. The book "Programming in Python 3" was written by one of the leading specialists in this language, who has many years of experience with it. The publication contains everything you need for practical development of the language: writing any program using both the standard library and third-party libraries for the Python 3 language, as well as creating your own library modules. The author begins by describing the key elements of Python, the knowledge of which is necessary as basic concepts.