Python学习14-if语句

上一篇 / 下一篇  2014-06-25 16:31:11 / 个人分类:笨办法学Python

$ex29.py 源码
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

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!
People are greater than or equal to dogs.
People are less than or equal to dogs.
People are dogs.


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