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Q: The "odd part" of an empty list is what list?
A: The empty list Q: How do we get the "odd part" of a nonempty list? (Hint: think of the "even part") A: Cons the head onto the "even part" of the tail |
(define odd-part
(lambda (lst)
(if (null? lst)
'()
(cons (car lst)
(even-part (cdr lst))))))
(define even-part
(lambda (lst)
(if (null? lst)
'()
(odd-part (cdr lst)))))
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