code: def _contains(self, hit):
          '''Returns True iff (the query contig is contained in the reference contig and
             the query contig is not flagged to be kept)'''
          return (
              hit.qry_name not in self.contigs_to_keep
              and hit.qry_name != hit.ref_name
              and (100 * hit.hit_length_qry / hit.qry_length >= self.min_contig_percent_match)
              and hit.percent_identity >= self.nucmer_min_id
          f _contains(self, hit):
          '''Returns True iff (the query contig is contained in the reference contig and
             the query contig is not flagged to be kept)'''
          return (
              hit.qry_name not in self.contigs_to_keep
              and hit.qry_name != hit.ref_name
              and (100 * hit.hit_length_qry / hit.qry_length >= self.min_contig_percent_match)
              and hit.percent_identity >= self.nucmer_min_id
          )
docs: Returns True iff (the query contig is contained in the reference contig and
             the query contig is not flagged to be kept)