擅长:python、mysql、java
<p>这也是练习列表理解的好机会;)</p>
<pre><code>maxlen = max(len(lst) for lst in allLists) # find length of longest list
sumlist = [sum([lst[i] if i<len(lst) else 0 for lst in allLists]) for i in range(maxlen)]
</code></pre>
<p>给出<code>sumlist</code></p>
<p>[12,15,18,10]</p>