(inventory, items)
:param inventory: dict - inventory dictionary.
    :param items: list - list of items to decrement from the inventory.
    :return:  dict - updated inventory dictionary with items decremented.
def decrement_items(inventory, items):
    """

    :param inventory: dict - inventory dictionary.
    :param items: list - list of items to decrement from the inventory.
    :return:  dict - updated inventory dictionary with items decremented.
    """

    pass
def decrement_items ( inventory , items ) : pass