CS151.02 2010S Functional Problem Solving

Class 20: Iteration

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Held: Friday, February 26, 2010

Summary: We consider a technique for stepping through the values in a list, and doing some action (e.g., moving a turtle or drawing something with the GIMP tools) for each value in the list.

Related Pages:

Notes:

Overview:

The Problem: Making Spirals

The for-each Function

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Samuel A. Rebelsky, rebelsky@grinnell.edu

Copyright © 2007-10 Janet Davis, Matthew Kluber, Samuel A. Rebelsky, and Jerod Weinman. (Selected materials copyright by John David Stone and Henry Walker and used by permission.) This material is based upon work partially supported by the National Science Foundation under Grant No. CCLI-0633090. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. This work is licensed under a Creative Commons Attribution-NonCommercial 2.5 License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc/2.5/ or send a letter to Creative Commons, 543 Howard Street, 5th Floor, San Francisco, California, 94105, USA.