第29个python程序：if语句

[root@mysql1 pshell]# cat ex29.py    

#!/usr/bin/env Python

#-*-coding:utf-8-*-

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 grater than or equal to dogs."

if people<=dogs:

  print "people are less than or equal to dogs."

if people==dogs:

  print "people are logs."

[root@mysql1 pshell]# 

[root@mysql1 pshell]# 

[root@mysql1 pshell]# 

[root@mysql1 pshell]# 

[root@mysql1 pshell]# python ex29.py 

too many cats! the world is doomed!

the world is dry!

people are grater than or equal to dogs.

people are less than or equal to dogs.

people are logs.