简单讲解Python中的字符串与字符串的输入输出

> print 'I\'m ok.'
I'm ok.

> print '\\\t\\'
\  > print r'\\\t\\'
\\\t\

> print '''line1
... line2
... line3'''
line1
line2
line3

print '''line1
line2
line3'''

# coding = utf-8

SyntaxError: Non-ASCII character ‘/xe6'

# coding=utf-8

Python 2.7.6 (default, Mar 22 2014, 22:59:56) 
[GCC 4.8.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
> len('中文')
6
> len(u'中文')
2
>

Python 3.4.0 (default, Jun 19 2015, 14:20:21) 
[GCC 4.8.2] on linux
Type "help", "copyright", "credits" or "license" for more information.
> len('中文')
2
> len(u'中文')
2
>

> print 'hello, world'
hello, world

> print 'The quick brown fox', 'jumps over', 'the lazy dog'
The quick brown fox jumps over the lazy dog

> print '100 + 200 =', 100 + 200
100 + 200 = 300

> name = raw_input()
Michael

> name
'Michael'

> print name
Michael

> name = raw_input('please enter your name: ')
please enter your name:

> number = raw_input("输入一个整数：")
输入一个整数：123
> number
'123'
> number = int(raw_input("输入一个整数："))
输入一个整数：123
> number
123