docs: def choose_best_amplicon(self, amplicon_tuples):
          """Iterates over amplicon tuples and returns the one with highest quality
          and amplicon length.
          """
          quality = 0
          amplicon_length = 0
          best_amplicon = None
  
          for amplicon in amplicon_tuples:
              if int(amplicon[4]) >= quality and int(amplicon[5]) >= amplicon_length:
                  quality = int(amplicon[4])
                  amplicon_length = int(amplicon[5])
                  best_amplicon = amplicon
  
          return best_amplicon