code: def get_experiment_time(port):
      '''get the startTime and endTime of an experiment'''
      response = rest_get(experiment_url(port), REST_TIME_OUT)
      if response and check_response(response):
          content = convert_time_stamp_to_date(json.loads(response.text))
          return content.get('startTime'), content.get('endTime')
      return None, Nonf get_experiment_time(port):
      '''get the startTime and endTime of an experiment'''
      response = rest_get(experiment_url(port), REST_TIME_OUT)
      if response and check_response(response):
          content = convert_time_stamp_to_date(json.loads(response.text))
          return content.get('startTime'), content.get('endTime')
      return None, None
docs: get the startTime and endTime of an experiment