擅长:python、mysql、java
<p>使用<a href="http://www.tutorialspoint.com/python/string_translate.htm" rel="noreferrer">str.translate</a>:</p>
<pre><code>In [24]: import string
In [25]: string.uppercase
Out[25]: 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
In [26]: string.uppercase[5:]+string.uppercase[:5]
Out[26]: 'FGHIJKLMNOPQRSTUVWXYZABCDE'
In [27]: table = string.maketrans(string.uppercase, string.uppercase[5:]+string.uppercase[:5])
In [28]: 'CAR'.translate(table)
Out[28]: 'HFW'
In [29]: 'HELLO'.translate(table)
Out[29]: 'MJQQT'
</code></pre>