擅长:python、mysql、java
<p>您可以执行以下操作:</p>
<pre><code>matrix = np.array([('b8:27:eb:07:65:ad', '0.130s', 255),
('b8:27:eb:07:65:ad', '0.120s', 215),
('b8:27:eb:07:65:ad', '0.130s', 168)],
dtype=[('col1', '<U17'),
('col2', '<U17'),
('col3', '<i4')])
for row in matrix:
if row['col3'] < 254:
print(row)
</code></pre>