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文章来自《Python cookbook》. 

翻译仅仅是为了个人学习,其它商业版权纠纷与此无关!
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= 排列字符串 =

3.4 Aligning Strings 

排列字符串 

Credit: Luther Blissett 


== 问题 Problem ==
You want to align strings left, right, or center. 

你想把字符串排在左边，右边，中间。 

== 解决 Solution ==
That's what the ljust, rjust, and center methods of string objects are for. Each takes a single argument, the width of the 

string you want as a result, and returns the starting string with spaces on either or both sides: 

string的ljust， rjust和center方法就是做这个的。每个方法带一个单独的参数，你想要的string的宽度作为一个结果，并且在一端或者两端 

返回以空格开始的字符串。 
{{{
>>> print '|', 'hej'.ljust(20), '|', 'hej'.rjust(20), '|', 'hej'.center(20), '|' 
| hej | hej | hej |'. 
}}}

== 讨论 Discussion ==

Centering, left-justifying, or right-justifying text comes up surprisingly often梖or example, when you want to print a simple 

report with centered page numbers. Because of this, Python string objects supply this functionality through their methods. 
当你想要打印一个页码在中间的简单报告，中间，靠左或者靠右的文本 出现令人惊讶的【乱码】例子。因为这个，python的string对象通过他 

们的方法提供了这样的功能 
== 参考 See Also ==
The Library Reference section on string methods; Java Cookbook Recipe 3.5.