
def dna_to_rna(dna):
  length = len(dna)
  rna = ""
  for i in range(length):
    if dna[i] == "A":
      rna = rna + "U"
    if dna[i] == "T":
      rna = rna + "A"
    if dna[i] == "G":
      rna = rna + "C"
    if dna[i] == "C":
      rna = rna + "G"
  return rna


aeeb7b0fd47433fa0aa294ba7909fe2f67322880
<mask token>

def dna_to_rna(dna):
    length = len(dna)
    rna = ''
    for i in range(length):
        if dna[i] == 'A':
            rna = rna + 'U'
        if dna[i] == 'T':
            rna = rna + 'A'
        if dna[i] == 'G':
            rna = rna + 'C'
        if dna[i] == 'C':
            rna = rna + 'G'
    return rna


def dna_to_rna(dna):
  length = len(dna)
  rna = ""
  for i in range(length):
    if dna[i] == "A":
      rna = rna + "U"
    if dna[i] == "T":
      rna = rna + "A"
    if dna[i] == "G":
      rna = rna + "C"
    if dna[i] == "C":
      rna = rna + "G"
  return rna

