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This is how you write a Fibbonacci function in CHICKEN Scheme.

(define (fib n)
(cond
((= n 0) 0)
((= n 1) 1)
(else
(+ (fib (- n 1))
(fib (- n 2))))))

Write a recursive function in CHICKEN Scheme that calculates the factorial.

E.g. 4! = 4*3*2*1 = 24