Text ( visual ) : unmediated Programming in Python 3 : a complete introduction to the Python language / Mark Summerfield. -- : pbk.. -- Upper Saddle River, NJ : Addison-Wesley , 2008, c2009. -- xiv, 525 p. : ill. ; 23 cm. -- (Developer's library). -- Includes index. -- ISBN 9780137129294 ; (BA89240176) ; https://ci.nii.ac.jp/ncid/BA89240176 Author Heading(s): Summerfield, Mark.. -- Classification(s): LCC : QA76.73.P98 ; DC22 : 005.1/17. -- Subject Heading(s): LCSH : Python (Computer program language) ; LCSH : Object-oriented programming (Computer science)