code: def _map_filtered_clusters_to_full_clusters(self,
                                                  clusters,
                                                  filter_map):
          
          results = []
          for cluster in clusters:
              full_cluster = []
              for seq_id in cluster:
                  full_cluster += filter_map[seq_id]
              results.append(full_cluster)
          return results
docs: Input:  clusters, a list of cluster lists
                      filter_map, the seq_id in each clusters
                                  is the key to the filter_map
                                  containing all seq_ids with
                                  duplicate FASTA sequences
              Output: an extended list of cluster lists