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kouddy/SICP 2.21

Created April 11, 2015 01:51
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SICP 2.21
(define (square x) (* x x))
(define (square-list items)
(if (null? items)
null
(cons (square (car items))
(square-list (cdr items)))))
(define (square-list-map items)
(map square items))
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