擅长:python、mysql、java
<p>迭代列表中的每个子列表,并在输出之前检查每个元素是否有3个或更多条目:</p>
<pre><code>nList = [[0,0,0],[3,2,1]], [[]], [[100,1000,110]], [[0,0,0],[300,400,300],[300,400,720],[0,0,120],[100,0,1320],[30,500,1450]]
outputList = []
for subList in nList:
for distance in subList:
if len(distance) >= 3:
outputList.append('{} metres, {} metres, {} seconds'.format(*distance))
</code></pre>