code: def get_country_name_from_m49(cls, m49, use_live=True, exception=None):
          # type: (int, bool, Optional[ExceptionUpperBound]) -> Optional[str]
          
          iso3 = cls.get_iso3_from_m49(m49, use_live=use_live, exception=exception)
          if iso3 is not None:
              return cls.get_country_name_from_iso3(iso3, exception=exception)
          return None
docs: Get country name from M49 code
  
          Args:
              m49 (int): M49 numeric code for which to get country name
              use_live (bool): Try to get use latest data from web rather than file in package. Defaults to True.
              exception (Optional[ExceptionUpperBound]): An exception to raise if country not found. Defaults to None.
  
          Returns:
              Optional[str]: Country name