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Scheme lab 3
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| #lang scheme | |
| (define (reverse1 l) | |
| (if (null? l) | |
| null | |
| (append (reverse1 (cdr l)) (list (car l))))) | |
| (define (DFM atom list rezlist) | |
| (cond ((or (equal? atom '())(equal? list '())) '(wrong input!)) | |
| ((equal? atom (car list)) (reverse1 (cons (cdr list) rezlist))) | |
| (#t (DFM atom (cdr list) (cons (car list) rezlist))))) |
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