[plt-scheme] HTDP 12.4.2

From: Matthias Felleisen (matthias at ccs.neu.edu)
Date: Wed Jun 21 22:34:32 EDT 2006

P.S. Just in case you have experienced other language communities, PLT 
Schemers like Danny and me don't give you the answer. If we gave you 
the answer, you wouldn't learn how to cope with such situations on your 
own. We therefore force you to think through the problem, with the 
"design recipe". We try to truly empower you.

Give a man a fish and you feed him for a day; teach him how to fish, 
and he will never starve again. Or something like that. Guy taught me 
that one. 



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