code: def frontiers(self, account, count):
          
  
          account = self._process_value(account, 'account')
          count = self._process_value(count, 'int')
  
          payload = {"account": account, "count": count}
  
          resp = self.call('frontiers', payload)
  
          return resp.get('frontiers') or {}
docs: Returns a list of pairs of account and block hash representing the
          head block starting at **account** up to **count**
  
          :param account: Account to get frontier blocks for
          :type account: str
  
          :param count: Max amount to return
          :type count: int
  
          :raises: :py:exc:`nano.rpc.RPCException`
  
          >>> rpc.frontiers(
          ...     account="xrb_1111111111111111111111111111111111111111111111111111hifc8npp",
          ...     count=1
          ... )
          {
              "xrb_3e3j5tkog48pnny9dmfzj1r16pg8t1e76dz5tmac6iq689wyjfpi00000000":
                  "000D1BAEC8EC208142C99059B393051BAC8380F9B5A2E6B2489A277D81789F3F"
          }