code: def equities_sids_for_country_code(self, country_code):
          
          sids = self._compute_asset_lifetimes([country_code]).sid
          return tuple(sids.tolist())
docs: Return all of the sids for a given country.
  
          Parameters
          ----------
          country_code : str
              An ISO 3166 alpha-2 country code.
  
          Returns
          -------
          tuple[int]
              The sids whose exchanges are in this country.