擅长:python、mysql、java
<p>供参考,使用内置的<a href="https://docs.python.org/3/library/functions.html#map" rel="nofollow noreferrer">map</a></p>
<pre><code>" ".join(map(lambda x: x if x in "aeiou" else "_", "jaywalk"))
</code></pre>
<p>列表理解</p>
<pre><code>" ".join([v if v in "aeiou" else "_" for v in "jaywalk"])
</code></pre>
<p>产出</p>
<pre><code>_ a _ _ a _ _
</code></pre>