擅长:python、mysql、java
<pre><code>listx = [["a", 127, "Blue", 0],
["b", 127, "Red", 1],
["b", 127, "Green", 0],
["b", 99, "Green", 1],
["c", 99, "Yellow", 0]]
listnew = filter(lambda x: x[0]=='b' and x[1]==127,listx)
print listnew
</code></pre>
<p>尝试使用<a href="https://docs.python.org/2/library/functions.html#filter" rel="nofollow">Filter</a></p>