擅长:python、mysql、java
<p>我并不是说这是好的,只是说这是一个另类的选择</p>
<pre><code>>>> s = "Python is good prototyping language"
>>> class Replacer(dict):
... def __missing__(self, key):
... self[key]='@'
... return key
...
>>> replacer = Replacer()
>>> ''.join([replacer[c] for c in s])
'Python is@g@@d@pr@@@@@@@@@@la@@u@@e'
</code></pre>