code: def update_orders(self, market_id, instructions, customer_ref=None):
          
          return self.make_api_request(
              'Sports',
              'updateOrders',
              utils.get_kwargs(locals()),
              model=models.UpdateExecutionReport,
          )
docs: Update non-exposure changing fields.
  
          :param str market_id: The market id these orders are to be placed on
          :param list instructions: List of `UpdateInstruction` objects
          :param str customer_ref: Optional order identifier string