Gries, Paul . , <br/><br/>
Practical programming :  an introduction to computer science using Python 3 / 
Paul Gries, Jennifer Campbell, Jason Montojo. 
 - 2nd ed. 
 - xv, 375 pages :  illustrations ;  23 cm. 
<br/><br/><label>ISBN: </label>9781937785451 1937785459 
<br/><br/><label>LC Class. No.: </label>QA76.73.P98   / .G74 2013