def oneCancelsAll(
            orders: List[Order], ocaGroup: str, ocaType: int) -> List[Order]:
        """
        Place the trades in the same One Cancels All (OCA) group.

        https://interactivebrokers.github.io/tws-api/oca.html

        Args:
            orders: The orders that are to be placed together.
        """
        for o in orders:
            o.ocaGroup = ocaGroup
            o.ocaType = ocaType
        return orders
def oneCancelsAll ( orders : List [ Order ] , ocaGroup : str , ocaType : int ) -> List [ Order ] : for o in orders : o . ocaGroup = ocaGroup o . ocaType = ocaType return orders
Place the trades in the same One Cancels All (OCA) group.

        https://interactivebrokers.github.io/tws-api/oca.html

        Args:
            orders: The orders that are to be placed together.