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  1. (define (fringe ls)
  2. 	(cond ((null? ls) '())
  3. 	      ((not (pair? ls)) ls)
  4. 	      (else (cons (car ls) (map fringe (cdr ls))))))
  5.  
  6. (define x (list 1 (list 2 (list 3 4) 5) (list 6 7)))
  7.  
  8. (display (fringe x))
Success #stdin #stdout 0.03s 8656KB
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Standard input is empty
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(1 (2 (3 4) 5) (6 7))
https://ideone.com/16pBP3
language:
Scheme (guile 2.2.4)
created:
8 years ago
visibility:
secret

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