笨方法学Python 习题30

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本文通过一个简单的Python程序示例，展示了如何使用if...elif...else结构进行条件判断。程序根据车辆数量与人数对比，决定出行方式，生动地解释了Python中条件语句的使用。

people = 30
cars = 40
buses = 15

if cars > people:
    print("We should take the cars.")
elif cars < people:
    print("We should not take the cars.")
else:
    print("We can't decide.")

if buses > cars:
    print("That's too many buses.")
elif buses < cars:
    print("Maybe we could take the buses.")    # if...else...   or if...elif...else
else:
    print("We still can't decide.")   # 如果多个 elif 为 True, Python 只运行第一个

if people > buses:
    print("Alright, let's just take the buses.")
else:
    print("Fine, let's stay home then.")