擅长:python、mysql、java
<p>用<a href="http://en.wikipedia.org/wiki/Closure_%28computer_programming%29" rel="noreferrer"><strong>closures</strong></a>。</p>
<pre><code>def makefunc(val):
def somephase():
return '%dd' % (val,)
return somephase
Phase2 = makefunc(2)
Phase3 = makefunc(3)
</code></pre>
<p><a href="http://code.activestate.com/recipes/502271/" rel="noreferrer">caveats</a></p>