code: def group_experiments_greedy(tomo_expt: TomographyExperiment):
      
      diag_sets = _max_tpb_overlap(tomo_expt)
      grouped_expt_settings_list = list(diag_sets.values())
      grouped_tomo_expt = TomographyExperiment(grouped_expt_settings_list, program=tomo_expt.program)
      return grouped_tomo_expt
docs: Greedy method to group ExperimentSettings in a given TomographyExperiment
  
      :param tomo_expt: TomographyExperiment to group ExperimentSettings within
      :return: TomographyExperiment, with grouped ExperimentSettings according to whether
          it consists of PauliTerms diagonal in the same tensor product basis