用户交互和格式化输出

ゝ一世哀愁。 2022-05-13 14:54 158阅读 0赞

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  
\-----------------------  
\[root@node01 python\]\# cat ex03.py   
\#!/usr/bin/env python  
\#\_\*\_ coding:utf-8 \_\*\_

info = 'this var will be printed out ...'

name =  raw\_input('pls input your name:')  
age = input('pls input your age:')  
job = raw\_input('pls input your jor:')  
salary = raw\_input('Salary:')

print type(age)

Personal information of wolf:  
  Name: wolf  
  Age : this var will be printed out ...     
  Job : 2.2  
  Salay:90  
\-----------------------  
\[root@node01 python\]\#