擅长:python、mysql、java
<p>您可以使用递归搜索来获取每个列表或整个列表的第一个元素</p>
<pre><code>players = [[['QB1',7000,20],['RB1',4500,12],['RB2',3800,11]],[['QB1',7000,20],['RB2',3800,11],['RB1',4500,12]]]
def retrive_first(lst):
for item in lst:
if type(item) == list:
retrive_first(item)
else:
print "returning ---> ", lst[0]
return lst[0]
print retrive_first(players)
</code></pre>