Question: What does the following Scheme function do? (define (x lis) (cond ((null? lis) 0) ((not (list? (car lis)) (cond ((eq? (car lis) #f) (x (cdr

What does the following Scheme function do?

(define (x lis)

(cond

((null? lis) 0)

((not (list? (car lis))

(cond

((eq? (car lis) #f) (x (cdr lis)))

(else (+ 1 (x (cdr lis)))))

(else (+ (x (car lis)) (x (cdr lis))))

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