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3.0.3 Using recursion to process lists
Here are some typical examples of using recursion to process a list.
;; this is a rather trivial way of reversing a list
(define (my-reverse l)
(if (null? l)
l
(append (my-reverse (cdr l)) (list (car l)))))
(my-reverse '(27 32 33 40))
⇒ (40 33 32 27)
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