擅长:python、mysql、java
<p>使用<a href="http://docs.python.org/reference/expressions.html#conditional-expressions" rel="nofollow">conditional expression</a>(<a href="http://www.python.org/dev/peps/pep-0308/" rel="nofollow">pep-308</a>):</p>
<pre><code>[50 if hasProperty(x) else 10 for x in alist]
</code></pre>