This first edition includes Python 3.0; second edition covers both Python 3.0 and 3.1 (clearly mark the difference.) Keep in mind that 3.1 is 3 minimum). X edition of the Python's that developers are recommending (3.0 will not even get security fixes. The book first written from a completely "Python 3" viewpoint, Programming in Python 3 brings together all the knowledge you need to write any program, using third-party Python 3 library, or standards, and create new library modules on your own. Summerfield draws on his many years of Python experience to share further insights into Python 3 development you will not find anywhere else. The scope of this book covers Developed in Python using a procedural, object-oriented, and functional programming paradigm Create custom packages and modules to Write and read binary, text, and XML files, including optional compression, random access, and text and XML parsing Leveraging advanced data types, collections, control structure, and function of the workload distribution programs in several processes and threads and DBM Programming SQL database of key-value file Utilizing Python regular expression mini-language and module building useful, efficient, application-based GUI advanced programming techniques, including generators, function and class decorators , context manager, description, abstract base classes, metaclasses, and more Programming in Python 3 serves as both tutorial and language reference, with all samples tested on Windows, Linux, and Mac OS X, and download from authors website.