为什么我的代码在python中给予我错误的结果，甚至相同的代码也给我不同的结果？

jk9hmnmh 于 2023-02-20 发布在 Python

关注(0)|答案(2)|浏览(126)

bill = 0
if size == "S":
   bill += 10
if size == "M":
   bill += 15 
if size == "L":
   bill += 20
if Pepperoni == "Yes" and size == "S":
  if Pepperoni == "Yes" and size == "M" or size == "L":
     bill += 2   
if extra_cheese == "Yes":
     bill += 1  
print(f"Your final bill is ${bill}")

欢迎光临python比萨外卖！您想要多大的比萨？S，M还是L？M您想要意大利辣香肠吗？是或否？是的您想要额外的奶酪吗？是或否？是的您的最终账单是16美元
你的短信？

python-3.x

来源：https://stackoverflow.com/questions/75503208/why-does-my-code-give-me-the-wrong-result-in-python-and-different-result-even-th

2条答案

按热度按时间

bfrts1fy1#

if Pepperoni == "Yes" and size == "S":
  if Pepperoni == "Yes" and size == "M" or size == "L":
     bill += 2

第二个if条件永远不可能为真，因为它只在我们已经知道size为“S”时才执行。

赞(0）回复(0）举报 2023-02-20

ddrv8njm2#

bill = 0
if size == "S":
    bill += 10
if size == "M":
    bill += 15 
if size == "L":
    bill += 20
if Pepperoni == "Yes" and size == "S":
    """"Do somthing?????"""
if Pepperoni == "Yes" and size == "M" or size == "L":
    bill += 2   
if extra_cheese == "Yes":
    bill += 1  
print(f"Your final bill is ${bill}")

赞(0）回复(0）举报 2023-02-20

我来回答

为什么我的代码在python中给予我错误的结果，甚至相同的代码也给我不同的结果？

2条答案

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