# mwarkentin/Learn-Python-The-Hard-Way

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 def add(a, b): print "ADDING %d + %d" % (a, b) return a + b def subtract(a, b): print "SUBTRACTING %d - %d" % (a, b) return a - b def multiply(a, b): print "MULTIPLYING %d * %d" % (a, b) return a * b def divide(a, b): print "DIVIDING %d / %d" % (a, b) return a / b print "Let's do some math with just functions!" age = add(30, 5) height = subtract(78, 4) weight = multiply(90, 2) iq = divide(100, 2) print "Age: %d, Height: %d, Weight: %d, IQ: %d" % (age, height, weight, iq) # 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, 4)))) print "That becomes: ", what, "Can you do it by hand?" # 25 + (75 + (125 * 3)) what2 = add(25, add(75, multiply(125, 3))) print "That becomes: ", what2