python的多重繼承與多態

#多重繼承
class Person(object):   #object 要寫，否則報錯
    def __init__(self,name,age):
        self.name = name
        self.age = age

    def getName(self):
        return "Person's name is %s"% self.name

    def whoAmI(self):
        return 'I am a Person, my name is %s' % self.name


class Student(Person):
    def __init__(self,name,age,score):
        self.score = score
        super(Student,self).__init__(name,age)

    # def getName(self):
    #     return "Student's name is %s"% self.name

    def whoAmI(self):
        return 'I am a Student, my name is %s' % self.name

# s1 = Student('chen',)
# print s1.age
# print "welcome,%s!\nYour sex:%s\nYour age:%d"%(s1.name,s1.sex,s1.age)

class Teacher(Person):
    def __init__(self,name,age,teach):
        super(Teacher,self).__init__(name,age)
        # self.age = 10*age
        self.teach = teach

    def getName(self):
        return "Teacher's name is %s"% self.name

    def getTeach(self):
        return "Teacher's teach is %s"% self.teach

    def whoAmI(self):
        return 'I am a Teacher, my name is %s' % self.name

class Monster(Student,Teacher):
    def __init__(self,name,age,score,teach):
        self.name = name
        self.age =age
        self.score = score
        self.teach = teach

    # def getName(self):
    #     return "Monster's name is %s"% self.name

    def whoAmI(self):
        return 'I am a Monster, my name is %s' % self.name


m1 = Monster('duocuo',2,60,'math')
print 'name:%s\nage:%d\nscore:%d\nteach:%s'%(m1.name,m1.age,m1.score,m1.teach)
print m1.getName()
print m1.getTeach()

#類的多態
def who_am_i(x):
    print x.whoAmI()

p = Person('Tim', 22)
s = Student('Bob', 17, 88)
t = Teacher('Alice', 18, 'English')

who_am_i(p)
who_am_i(s)
who_am_i(t)