擅长:python、mysql、java
<p>您可以使用列表理解:</p>
<pre><code>Product_Titles =[['abc def hair oil'],['erg eds laptop'],['oops dfr watch']]
Brand_List = [['abc def'],['dfe sdf sd'],['erg eds']]
titles = [[[i] if b.startswith(i) else [] for [i] in Brand_List] for [b] in Product_Titles]
final_titles = [filter(None, i)[0] if any(i) else [] for i in titles]
</code></pre>
<p>输出:</p>
^{pr2}$