code: def operations(self, cursor=None, order='asc', limit=10, include_failed=False, sse=False):
          
          endpoint = '/operations'
          params = self.__query_params(cursor=cursor, order=order, limit=limit, include_failed=include_failed)
          return self.query(endpoint, params, sse)
docs: This endpoint represents all operations that are part of validated
          transactions.
  
          `GET /operations{?cursor,limit,order}
          <https://www.stellar.org/developers/horizon/reference/endpoints/operations-all.html>`_
  
          :param cursor: A paging token, specifying where to start returning records from.
              When streaming this can be set to "now" to stream object created since your request time.
          :type cursor: int, str
          :param str order: The order in which to return rows, "asc" or "desc".
          :param int limit: Maximum number of records to return.
          :param bool include_failed: Set to `True` to include operations of failed transactions in results.
          :param bool sse: Use server side events for streaming responses.
          :return: A list of all operations.
          :rtype: dict