代码： 全选
class Person(object):
def __init__(self, name):
self.name = name
class Man(Person):
def __init__(self, name):
Person.__init__(self, name)
self.children = []
def marry(self, wife):
self.wife = wife
def procreate(self, baby):
self.children.append(baby)
class Woman(Person):
def __init__(self, name):
Person.__init__(self, name)
self.children = []
def marry(self, husband):
self.husband = husband
def procreate(self, baby):
self.children.append(baby)
class Child(Person):
def __init__(self, name, father, mother):
Person.__init__(self, name)
self.father = father
self.mother = mother
def marry(man, woman):
man.marry(woman)
woman.marry(man)
def procreate(father, mother, baby_name):
baby = Child(baby_name, father, mother)
father.procreate(baby)
mother.procreate(baby)
return baby代码： 全选
from human import *
me = Man("James")
helen = Woman("Helen")
marry(me, helen)
tom = procreate(me, helen, "Tom")
helen.husband is me [True]
me.wife is helen [True]
me.wife.husband is me [True]
bin is me.children[0]
bin is helen.children[0]
bin.father is me
bin.mother is me