docs: def trimLeft(self, amount):
      """
        Trim this fastqSequence in-place by removing <amount> nucleotides from
        the 5' end (left end).
  
        :param amount: the number of nucleotides to trim from the left-side of
                       this sequence.
      """
      if amount == 0:
        return
      self.sequenceData = self.sequenceData[amount:]
      self.sequenceQual = self.sequenceQual[amount:]