if-else-slif结构
if和else和elif语句后面要添加冒号":"
if和else 一个简单的判断(带输入)
[root@pa1 lijinghua]# cat tiaojian.py
#!/usr/bin/python
age = input('print enter your age:')
#print (name)
if age >= 18:
print (r'She/He is adult')
else:
print (r'She/He is teenager')
示范2
[root@pa1 lijinghua]#python if.py
BMW
Audi
Bigben
[root@pa1 lijinghua]#cat if.py
#!/usr/bin/python
# -*- coding: utf-8 -*-
cars=['bmw','audi','bigben']
for car in cars:
if car == 'bmw':
print(car.upper()) #如果是宝马的话,全部大写
else:
print(car.title()) #如果不是的话,只是首字母大写
if和elif 示范
if和elif 示范
[root@pa1 lijinghua]# cat tiaojian2.py
#!/usr/bin/python
age = input('print enter your age:')
#print (name)
if age >= 18:
print (r'She/He is adult')
elif age >= 6:
print (r'She/He is teenager')
else:
print (r'She/He is kid' )