Downey, Allen, <br/><br/>
How to think like a computer scientist Learning with Python  Textual Documents 
By Allen Downey, Jeffrey Elkner & Chris Meyers 
 - New Delhi:  Dreamtech Press.,  2015. 
 - pg250:  23cm. 
<br/><br/><label>ISBN: </label>978-93-5119-814-7 
<br/><br/><label>Subjects--Index Terms: </label>Computer Programming Python G- Computer science 
<br/><br/><label>Dewey Class. No.: </label>001.642