擅长:python、mysql、java
<p>我可以建议使用内置的<code>str.title()</code>函数吗</p>
<pre><code>def titleize(phrase):
capitalize_first = phrase.title()
return capitalize_first
print(titleize('oNLy cAPITALIZe fIRSt'))
</code></pre>
<p>输出:</p>
<pre><code>Only Capitalize First
</code></pre>