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In observance of the 2024 holiday season, Sage offices will be closed Monday December 23rd through Wednesday January 1st. Normal operations, including shipping for orders placed during the closure, will resume on Thursday January 2nd. For technical support during this time, please visit our technical support page for assistance options. 

We wish you a wonderful holiday season. Thank you. 

Frederick Kaefer Loyola University Chicago, USA

Frederick Kaefer is an Associate Professor of Information Systems at the Loyola University Chicago Quinlan School of Business.  After completing a Bachelors degree in Mathematics and Computer Science, he worked as a mainframe programmer for several years before earning an MBA with concentrations in Finance and Information Systems and a PhD in Management Information Systems.  Professor Kaefer has taught computer programming and other information systems courses to business students for over 25 years.  In addition to his interest in the Python programming language, Professor Kaefer has taught courses including Data Structures using C, and VBA Programming in MS Office.