docs: def get_contig_names(fasta_file):
      """
      Gets contig names from a fasta file using SeqIO.
      :param fasta_file: Full path to uncompressed, fasta-formatted file
      :return: List of contig names.
      """
      contig_names = list()
      for contig in SeqIO.parse(fasta_file, 'fasta'):
          contig_names.append(contig.id)
      return contig_names