've removed all the instructions for using and running program examples insteadplease consult the readme file in the examples distribution for example usage details moreovermost of the original acknowledgments are gone here because they are redundant with those in learning pythonsince that book is now considered prerequisiteduplication of material here is unwarranted description of book contents was also deletedplease see the table of contents for preview of this book' structure the initial python overview is gone 've removed the prior edition' "managerial summarywhich introduced python' strong pointsprominent usersphilosophiesand so on proselytizing does play an important role in field that sometimes asks the "whyquestions less often than it should indeedif advocacy had not been part of the python experiencewe' probably all be using perl or shell languages todayhoweverthis has now grown completely redundant with similar in learning python since that book is precursor to this onei opted to not devote space to restating "pythonistapropaganda here (fun as it may beinsteadthis book assumes you already know why python is worth usingand we jump right into applying it here the conclusion' postscripts are gone this book' conclusion comes from the first editionand it is now years old naturallysome of it reflects the python mindset from that period more than that of today for exampleits focus on python' role in hybrid applications seemed more important in than in in today' much larger python worldmost python users never deal with linked-in code at all in prior editionsi added postscripts for each edition to elaborate on and update the ideas presented in the book' conclusion these postscripts are gone nowreplaced by short note at the start of the conclusion opted to keep the conclusion itselfthoughbecause it' still relevant to many readers and bears some historic value wellthatplus the jokes the forewords are gone for reasons similar to those of the prior two pointsthe accumulated forewords from the prior three editions were also dropped this time around you can read all about python creator guido van rossum' historical rationale for python' evolution in numerous places on the webif you are so inclined if you are interested in how python has changed technically over the yearssee also the "what' newdocuments that are part of the python standard manuals set (available at www python org/docand installed alongside python on windows and other platformsthe integration part has been reduced to just one 've reduced the extending and embedding part' material to one shorter at the end of the tools partwhich briefly introduces the core concepts in this preface xxvii