The basic syntax of Python 3 is described: data types, operators, conditions, loops, regular expressions, built-in functions, classes and objects, iterators and enumerations, exception handling, frequently used standard library modules. The basics of SQLite are given, the interface to access SQLite and MySQL databases, including through ODBC, is described. Work with images using the Pillow and Wand libraries, obtaining data from the Internet and working with archives of various formats are considered. The book contains more than two hundred practical examples to help you start programming in Python yourself. All material is carefully selected, well structured and compactly presented, which allows you to use the book as a convenient reference.