class Child(People):
def __init__(self,yourage,yourname,father,mother):
People.__init__(self,yourage,yourname)
self.mothername=mother
self.fathername=father
def cry(self):
print("child like cry")
def drink(self):
print("child's drink")
def getParents(self):
print(self.mothername,self.fathername)
xmiao=Child(1,"xmiao","rose","jack")
print(xmiao.age,xmiao.name,xmiao.hight)
xmiao.eat()
xmiao.cry()
xmiao.drink()
xmiao.getParents()
print(isinstance(xmiao,People))