docs: def get_country_name_from_iso3(cls, iso3, use_live=True, exception=None):
          # type: (str, bool, Optional[ExceptionUpperBound]) -> Optional[str]
          """Get country name from ISO3 code
  
          Args:
              iso3 (str): ISO3 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
          """
          countryinfo = cls.get_country_info_from_iso3(iso3, use_live=use_live, exception=exception)
          if countryinfo is not None:
              return countryinfo.get('#country+name+preferred')
          return None