擅长:python、mysql、java
<p>字符串模块正是为此提供了有用的功能。你知道吗</p>
<pre><code>import string
alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
key = "XPMGTDHLYONZBWEARKJUFSCIQV"
comp = "this is an example"
tr = string.maketrans(alpha, key)
print string.translate(comp.upper(), tr)
# -> ULYJ YJ XW TIXBAZT
</code></pre>