size是位置實(shí)參。

toppings是數(shù)量實(shí)參。

def make_pizza(size,*toppings):print("-----------------")print("\nMaking a "+str(size)+"-inch pizza with the following toppings:")for topping in toppings:print("- "+topping)make_pizza(16,'pepperoni') make_pizza(12,'mushrooms','green peppers','extra cheese')

輸出：

Making a 16-inch pizza with the following toppings:
- pepperoni
-----------------


Making a 12-inch pizza with the following toppings:
- mushrooms
- green peppers
- extra cheese

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