code: def from_cli_multi_ifos(cls, opt, strain_dict, ifos):
          
          strain_segments = {}
          for ifo in ifos:
              strain_segments[ifo] = cls.from_cli_single_ifo(opt,
                                                           strain_dict[ifo], ifo)
          return strain_segments
docs: Calculate the segmentation of the strain data for analysis from
          the command line options.