(The classic Python introductory tutorial book has clear levels, rigorous structure and detailed contents. Especially in the last few chapters, the author applies the above contents to 10 fascinating projects, introduces the development process of the project in the form of template, and teaches Python development by hand, so that readers can appreciate the real charm of Python from the project. This book is not only suitable for beginners to lay a good foundation, but also can help Python programmers improve their skills. Even Python technologists can find refreshing content in books.)