擅长:python、mysql、java
<p>这将完成以下工作:</p>
<pre><code>a_list = [('This is A.', '00', 2.0),
('This is B.', '01', 3.0),
('This is C.', '02', 3.0),
('This is D.', '03', 1.5)]
avg=float(sum(i[2] for i in a_list))/len(a_list)
res=[i for i in a_list if i[2]>=avg]
</code></pre>