python编程从入门到实践 练习7-8:熟食店` #按照要求创建一个包含各种三明治名为sandwich_orders的列表 sandwich_orders = ['Black Forest Ham','Chicken & Bacon Ranch Melt',\ 'Cold Cut Combo',' Italian B.M.T.','Meatball Marinara',\ 'Oven Roasted Chicken','Roast Beef',