笨方法学python-练习10-那是什么

练习10--那是什么

• 练习程序
• 课后记录

练习程序

# -*- coding:utf-8 -*-
tabby_cat = "\tI'm tabbed in."
persian_cat = "I'm split\non a line."
backslash_cat = "I'm \\ a \\ cat."
fat_cat = """
I'll do a list:
\t* Cat food
\t* Fishies
\t* Catnip\n\t* Grass
"""
print tabby_cat
print persian_cat
print backslash_cat
print fat_cat

运行结果

PS F:\python大师\习题> python .\ex10.py
    I'm tabbed in.
I'm split
on a line.
I'm \ a \ cat.
I'll do a list:
    * Cat food
    * Fishies
    * Catnip
    * Grass

课后记录

\(在行尾时) 续行符 
\\ 反斜杠符号 
\' 单引号 
\" 双引号 
\a 响铃 
\b 退格(Backspace) 
\e 转义 
\000 空 
\n 换行 
\v 纵向制表符 
\t 横向制表符 
\r 回车 
\f 换页 
\oyy 八进制数yy代表的字符，例如：\o12代表换行 
\xyy 十进制数yy代表的字符，例如：\x0a代表换行 
\other 其它的字符以普通格式输出 

Escape
What it does.
\\ Backslash (\) 
\' Single-quote (') 
\" Double-quote (") 
\a ASCII bell (BEL) 
\b ASCII backspace (BS) 
\f ASCII formfeed (FF) 
\n ASCII linefeed (LF) 
\N{name} Character named name in the Unicode database (Unicode only) 
\r Carriage Return (CR) 
\t Horizontal Tab (TAB) 
\uxxxx Character with 16-bit hex value xxxx (u'' string only) 
\Uxxxxxxxx Character with 32-bit hex value xxxxxxxx (u'' string only) 
\v ASCII vertical tab (VT) 
\ooo Character with octal value ooo 
\xhh Character with hex value hh