擅长:python、mysql、java
<p>通过实施这些变更来解决:</p>
<pre><code>def checkIfDesc(self, person):
return any(families[family].famDescendant(person) for family in self.marriages)
def famDescendant(self, person):
for child in self.children:
if person == child:
return True
else:
if (persons[child].checkIfDesc(person))
return True
else:
continue:
</code></pre>