python学习七--用户交互和格式化输出

raw_input  直接读取控制台的输入（任何类型的输入它都可以接收），raw_input() 将所有输入作为字符串看待，返回字符串类型

input      输入的什么类型，不转换，它希望能够读取一个合法的 python 表达式，即你输入字符串的时候必须使用引号将它括起来，

           否则它会引发一个 SyntaxError 。而 input() 在对待纯数字输入时具有自己的特性，它返回所输入的数字的类型（ int, float ）

s%  字符串       

d%  十进制整数   必须写整数

f%  浮点数

[root@node01 python]# vi ex03.py

#!/usr/bin/env python

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

name =  raw_input('pls input your name:')

age = raw_input('pls input your age:')

print name, age

[root@node01 python]# python ex03.py 

pls input your name:wolf

pls input your age:1

wolf 1

代入变量

[root@node01 python]# name=wolf

[root@node01 python]# echo "my name is $name,haha"

my name is wolf,haha

[root@node01 python]# vi ex03.py     

------------------------

-----------------------

#!/usr/bin/env python

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

name =  raw_input('pls input your name:')

age = raw_input('pls input your age:')

job = raw_input('pls input your jor:')

salary = raw_input('Salary:')

print  '''

Personal information of %s:

  Name: %s

  Age : %s

  Job : %s

  Salay:%s

-----------------------

''' % (name,name, age,job,salary)

[root@node01 python]# python ex03.py 

pls input your name:wolf

pls input your age:2

pls input your jor:z

Salary:d

Personal information of wolf:

  Name: wolf

  Age : 2

  Job : z

  Salay:d

-----------------------

[root@node01 python]# vi ex03.py     

#!/usr/bin/env python

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

name =  raw_input('pls input your name:')

age = raw_input('pls input your age:')

job = raw_input('pls input your jor:')

salary = raw_input('Salary:')

print type(age)

print  '''

Personal information of %s:

  Name: %s

  Age : %s

  Job : %s

  Salay:%s

-----------------------

''' % (name,name, age,job,salary)

===========================~                                                                                                                                                                                         

"ex03.py" 19L, 355C written                                                 

[root@node01 python]# python ex03.py 

pls input your name:df

pls input your age:2

pls input your jor:df

Salary:80080

<type 'str'>     字符串

Personal information of df:

  Name: df

  Age : 2

  Job : df

  Salay:80080

-----------------------

===========================

[root@node01 python]# vi ex03.py     

#!/usr/bin/env python

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

name =  raw_input('pls input your name:')

age = int(raw_input('pls input your age:'))

job = input('pls input your jor:')      输入什么格式当什么格式来处理

salary = raw_input('Salary:')

print type(age)

print  '''

Personal information of %s:

  Name: %s

  Age : %d                        这里必须要整数，不然会报错

  Job : %s                        什么类型来都可以，自动转成字符串

  Salay:%s

-----------------------

''' % (name,name, age,job,salary)

=====================

[root@node01 python]# python ex03.py 

pls input your name:wolf

pls input your age:2

pls input your jor:'2'

Salary:df

<type 'int'>

Personal information of wolf:

  Name: wolf

  Age : 2

  Job : 2

  Salay:df

-----------------------

[root@node01 python]# python ex03.py 

pls input your name:wolf

pls input your age:2

pls input your jor:'d'

Salary:fd

<type 'int'>

Personal information of wolf:

  Name: wolf

  Age : 2

  Job : d

  Salay:fd

-----------------------

[root@node01 python]# cat ex03.py 

#!/usr/bin/env python

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

name =  raw_input('pls input your name:')

age = int(raw_input('pls input your age:'))

job = input('pls input your jor:')

salary = raw_input('Salary:')

print type(age)

print  '''

Personal information of %s:

  Name: %s

  Age : %d

  Job : %s

  Salay:%s

-----------------------

''' % (name,name, age,job,salary)

[root@node01 python]# python ex03.py 

pls input your name:wolf

pls input your age:2

pls input your jor:2.2

Salary:90

<type 'int'>

Personal information of wolf:

  Name: wolf

  Age : 2

  Job : 2.2

  Salay:90

-----------------------

[root@node01 python]#