code: def split_desired_other(fhs, req_geo, rem_geo):
      
      desired = []
      other = []
      for fh in fhs:
          if req_geo in fh.datasets:
              desired.append(fh)
          elif rem_geo in fh.datasets:
              other.append(fh)
      return desired, other
docs: Split the provided filehandlers *fhs* into desired filehandlers and others.