Restructure, do GC
    
        | author | 
        Steve Losh <steve@stevelosh.com> | 
    
    
        | date | 
        Thu, 01 Nov 2018 21:10:34 -0400 | 
    
    
        | parents | 
        (none) | 
    
    
        | children | 
        6088027147e1  | 
    
(in-package :rosalind)
;; An RNA string is a string formed from the alphabet containing 'A', 'C', 'G',
;; and 'U'.
;;
;; Given a DNA string t corresponding to a coding strand, its transcribed RNA
;; string u is formed by replacing all occurrences of 'T' in t with 'U' in u.
;;
;; Given: A DNA string t having length at most 1000 nt.
;;
;; Return: The transcribed RNA string of t.
(define-problem rna (data)
    "GATGGAACTTGACTACGTAAATT"
    "GAUGGAACUUGACUACGUAAAUU"
  (substitute #\U #\T data))