擅长:python、mysql、java
<pre><code>import nonedict
foo = nonedict.NoneDict()
</code></pre>
<p>或者</p>
<pre><code>from nonedict import NoneDict
foo = NoneDict()
</code></pre>
<p>或者(感谢Joel Cornett)</p>
<pre><code>from nonedict import NoneDict as nd
foo = nd()
</code></pre>