(Python is a simple and powerful programming language, widely used in data analysis, big data, web crawler, automatic operation and maintenance, scientific computing and artificial intelligence and other fields. Python is also becoming more and more important, becoming a national computer rank examination subject, and some primary and secondary schools have also offered Python programming courses. Adhering to the concept of being interesting, informative, fun, and easy to use, this book simplifies complex Python technical issues through relaxed dialogues, funny pictures, and exaggerated actions of three cartoon characters.)