code: def get_month_description(self):
          
          return self.get_segment_description(
              self._expression_parts[4],
              '',
              lambda s: datetime.date(datetime.date.today().year, int(s), 1).strftime("%B"),
              lambda s: _(", every {0} months").format(s),
              lambda s: _(", {0} through {1}"),
              lambda s: _(", only in {0}")
          )
docs: Generates a description for only the MONTH portion of the expression
  
          Returns:
              The MONTH description