(dishes)
:param dishes: list of dish ingredient sets
    :return: set

    This function should return a `set` of all ingredients from all listed dishes.
def compile_ingredients(dishes):
    """

    :param dishes: list of dish ingredient sets
    :return: set

    This function should return a `set` of all ingredients from all listed dishes.
    """

    pass
def compile_ingredients ( dishes ) : pass