擅长:python、mysql、java
<p>看起来所有的术语都只是列表中的元组元素<code>self.coeffs</code>。在这种情况下</p>
<pre><code>def addterm(self, newcoeff, newexp):
newterm = (newcoeff, newexp)
self.coeffs.append(newterm)
self.coeffs.sort(key=lambda x: x[1], reverse=True)
# operator.itemgetter is probably better here.
# # self.coeffs.sort(key=operator.itemgetter(1), reverse=True)
</code></pre>