擅长:python、mysql、java
<p>实施{cd1>还必须:</p>
<pre><code>class Person(object):
def __init__(self, name=None, address=None):
self.name = name
self.address = address
def __eq__(self, other):
return self.name == other.name and self.address == other.address
def __hash__(self):
return hash((self.name, self.address))
</code></pre>
<p>现在您的代码可以工作了:</p>
^{pr2}$