擅长:python、mysql、java
<p>您可以使用列表理解并使用<a href="https://docs.python.org/2/library/operator.html" rel="nofollow noreferrer">^{<cd1>}</a>从每个字典中获取感兴趣的值:</p>
<pre><code>from operator import itemgetter
l = ['title', 'firstname', 'lastname']
[' '.join(itemgetter(*l)(i)) for i in employees]
</code></pre>
<p>输出</p>
<pre><code>['Mr Jonathan Calderon', 'Mr Christopher Hansen', 'Mrs Isabella Dorsey', 'Ms Barbara Baker']
</code></pre>
<hr/>
<p>或者如果您喜欢使用<code>map</code>:</p>
<pre><code>[' '.join(map(lambda x: i.get(x), l)) for i in employees]
# ['Mr Jonathan Calderon', 'Mr Christopher Hansen', 'Mrs Isabella Dorsey', 'Ms Barbara Baker']
</code></pre>