code: def add_device_information(helper, session):
          
          host_name_data = helper.get_snmp_value(session, helper,
                                                 DEVICE_INFORMATION_OIDS['oid_host_name'])
  
          product_type_data = helper.get_snmp_value(session, helper,
                                                    DEVICE_INFORMATION_OIDS['oid_product_type'])
  
          service_tag_data = helper.get_snmp_value(session, helper,
                                                   DEVICE_INFORMATION_OIDS['oid_service_tag'])
  
          helper.add_summary('Name: {} - Typ: {} - Service tag: {}'.format(
              host_name_data, product_type_data, service_tag_data))
docs: add general device information to summary