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Thanks for stopping by, and for your interest in Python in a Nutshell. Assuming you didn't get here completely by accident. If you did, wow, cosmic!

Yes, it is rather big for a nutshell, but what can we tell you? Alex Martelli started documenting Python almost twenty years ago. The sizes of the authorial team, the language and the book have all grown roughly in proportion, though we are happy to report that the long-anticipated demise of Python 2 has allowed us to avoid any increase in page count in the 4th edition while adding substantial amounts of material to cover versions through 3.11.

You can email us, the authors, as pynut4 at gmail dot com. We can't guarantee to reply, but we'd like to keep the book as relevant and accurate as possible for as long as possible. A dialogue with its readers, and with other Python users, therefore works in everyone's interests. Any discussions we deem worth publishing will probably end up here for as long as this site is maintained. No promises on that ...

Purchase is the sincerest form of flattery, and if you'd like to buy the book we'd suggest you start at our publisher O'Reilly's listing page by clicking on the image below.* Publishers are much smarter than authors about sending prospective buyers to the right place.

O'Reilly also maintain an Errata page, with which we interact whenever they let us know about your input. That's important if we go through more than one printing, since each release is an opportunity to revise and correct. On this site we focus more on expanding the book's content - either with bits we wish we'd included, or with clarifications and additional detail offering further enlightenment.

* Or here, if you'd prefer.