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September 2011

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Announcement: How to Think Like a Computer Scientist -- Interactive Edition
by Brad Miller Sept. 4, 2011

Sept. 4, 2011

Hello, As part of my Sabbatical this past year I've been working on a new edition of How to Think Like a Computer Scientist (by Elkner et. al) with my colleague David Ranum. The idea behind this new edition is to make it interactive, to encourage students to learn by doing and to explore. The three main features we've added to previous editions are: Videos: Each section has (or will have) a 5-10 minute screencast explaining the written concepts verbally. Interactive Python interpreter. Using Skulpt -- an open source javascript implementation of Python. Codelens code visualizer -- Based on the Online Python Tutor by Philip Guo this element allows students to step forward and backward through the code and to see the values of variables To make it easy to add these features I wrote 3 new sphinx directives, so adding the interactive code features is not onerous. When we finish our last pass through the book, we'll make all the code available on bitbucket. We'll be using this book in our introductory course this fall at Luther, and adding more videos as we move through the semester. You can take a look at our work here: http://thinkcspy.appspot.com You'll need a gmail account to access the book. You'll also need a modern browser that supports html5, the interactive features rely heavily on Javascript and the canvas element. (Safari, Firefox 6, Chrome) The reason is that the interactive code allows you to save your changes and reload them again later. I've added an administrative back-end to the book so that we can have students do homework right in the browser. I'd love to hear your feedback and ideas for other interactive features. Brad -- Brad Miller Associate Professor, Computer Science Luther College

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Re: [Edu-sig] Yet another online Python...
by kirby urner Sept. 1, 2011

Sept. 1, 2011

> This online version looks good for these classes. > learnpython.org has some turtle graphics, which we'd like to use. > I don't see a description of the turtle graphics syntax/capabilities on the > site, although the opening program has an example turtle program. > Randy Latimer > Python's Standard Library turtle module is just another Python module with no more docs than average for an SL mod. Then we have numerous 3rd party modules, some of which focus exclusively on turtle graphics and may involve special not-Python syntax (because they're imitating Logo perhaps). You likely know all this, just clearing it up for our readers. Gregor Lindl maintains the SL mod and has contributed lots of cool .py files to drive turtles. Kirby

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