<p>我希望这能奏效</p>
<pre><code>class Person(object):
def __init__(self, name):
"""Create a person"""
self.name = name
try:
lastBlank = name.rindex(' ')
self.lastName = name[lastBlank + 1:]
except:
self.lastName = name
self.birthday = None
def __lt__(self, other):
"""Returns True if self's name is lexicographically
less than other's name, and False otherwise"""
return self.name < other.name
def __str__(self):
"""Returns self's name"""
return self.name
class PriorityPerson(Person):
def __init__(self, name, deficiencia):
super().__init__(name)
self.deficiente = deficiencia
def __lt__(self, other):
if self.deficiente and not other.deficiente:
# If self is VIP and other is not, just return True
return True
elif not self.deficiente and other.deficiente:
# If other is VIP and self is not, just return False
return False
# On equal priority, normal compare
return super().__lt__(other)
p1 = PriorityPerson("John Smith", False)
p2 = PriorityPerson("Sam Mendes", False)
p3 = PriorityPerson("Grandmother Anne", True)
p4 = PriorityPerson("Stephen Hawking", True)
p5 = PriorityPerson("Betty Large", True)
listaPessoas = [p1,p2,p3,p4, p5]
listaPessoas.sort()
for p in listaPessoas:
print(p)
</code></pre>
<p>输出:</p>
<pre><code>Betty Large
Grandmother Anne
Stephen Hawking
John Smith
Sam Mendes
</code></pre>