Question: What does the following Scheme function do? (define (y s lis) (cond ( (null? lis) '0 ) ( (equal? s (car lis)) lis) (else (y

What does the following Scheme function do?

(define (y s lis) (cond ( (null? lis) '0 ) ( (equal? s (car lis)) lis) (else (y s (cdr lis)) ) ))

(define (y s lis) (cond ( (null? lis) '0 ) ( (equal? s (car lis)) lis) (else (y s (cdr lis)) ) ))

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