(print "------------------------------------------------")
(print "Testing and/or")
(print)
(print "These should all print #t...")

(print ((and (a == 1) (b == 2) (c == 3)) == True))
(print ((and (a == 1) (b == 2) (c == 0)) == False))
(print ((and (a == 1) (b == 0) (zebra == 0)) == False))
(print ((or (a == 0) (b == 0) (c == 3)) == True))
(print ((or (a == 0) (b == 0) (c == 0)) == False))
(print ((or (a == 0) (b == 2) (zebra == 0)) == True))