added comments explaining puzzle

mwarkentin · mwarkentin · commit c9d881a0909c · 2011-01-09T22:59:05.000-05:00
diff --git a/ex21.py b/ex21.py
@@ -28,6 +28,8 @@ def divide(a, b):
 # A puzzle for the extra credit, type it in anyway
 print "Here is a puzzle."
 
+# age + height - weight * (iq / 2)
+# 35  + 74     - 180    * (50 / 2)
 what = add(age, subtract(height, multiply(weight, divide(iq, 2))))
 
 print "That becomes: ", what, "Can you do it by hand?"
