def METHOD_NAME(self,myjson):
    #
    # Delete undesirable attribute for experiement_id
    #
    root = myjson['experiment_id']
    for key in root.keys():
        del root[key]['tier']
        del root[key]['start_year']
        del root[key]['end_year']
        del root[key]['description']
        del root[key]['min_number_yrs_per_sim']