code: def create_anc_lineage_from_id2par(id2par_id, ott_id):
      
      curr = ott_id
      n = id2par_id.get(curr)
      if n is None:
          raise KeyError('The OTT ID {} was not found'.format(ott_id))
      lineage = [curr]
      while n is not None:
          lineage.append(n)
          n = id2par_id.get(n)
      return lineage
docs: Returns a list from [ott_id, ott_id's par, ..., root ott_id]