第 19讲: 我的地盘听我的
0. 函数和过程:
>>> def test():
print("hello")
>>> print(test())
hello
None
1.返回值:
>>> def test():
return[1,3,"小甲鱼"]
>>> test()
[1, 3, '小甲鱼']
>>>
>>> def test():
return(1,3,"小甲鱼")
>>> test()
(1, 3, '小甲鱼')
>>>
>>>
2. 函数变量的作用域:
def discounts(price, rate):
final_price = price * rate
return final_price
old_price = float(input("请输入原件:"))
rate = float(input('请输入折扣率:'))
new_price = discount(old_price, rate)
print('打折后价格是:', new_price)