This book is an exceptionally great resource for seasoned developers in other languages who are looking to quickly pick up Python and move beyond the basic language constructs into more Pythonic code. The organization of the book is clear, concise, and easy to digest, and each item and chapter can stand on its own as aleditation on a particular topic. The book covers the breadth of language constructsn pure Python without confusing the reader with the complexities of the broader Python ecosystem. For more seasoned developers the book provides in-depth examples of language constructs they may not have previously encountered, and providesexamples of less commonly used language features. It is clear that the author isexceptionally facile with Python, and he uses his professional experience to alert theeader to common subtle bugs and common failure modes. Furthermore, the bookdoes an excellent Job of pointing out subtleties between Python 2.X and Python 3.X and could serve as a retresher course as one transitions between variants of Python.