docs: def generate_antisense_sequence(sequence):
      """Creates the antisense sequence of a DNA strand."""
      dna_antisense = {
          'A': 'T',
          'T': 'A',
          'C': 'G',
          'G': 'C'
      }
      antisense = [dna_antisense[x] for x in sequence[::-1]]
      return ''.join(antisense)