程序代码

people = 20
cats = 30
dogs = 15


if people < cats:
    print("Too many cats! The world is doomed!")

if people > cats:
    print("Not many cats! The world is saved!")

if people < dogs:
    print("The world is drooled on!")

if people > dogs:
    print("The world is dry!")


dogs += 5

print(">>>>",dogs)

if people >= dogs:
    print("People are greater than or equal to dogs.")

if people <= dogs:
    print("People are less than or equal to dogs.")


if people == dogs:
    print("people are dogs.")

输出结果

Too many cats! The world is doomed!
The world is dry!
>>>> 20
People are greater than or equal to dogs.
People are less than or equal to dogs.
people are dogs.