class Person(object):
	def __init__(self,name,gender):
		self.name=name
		self.gender=gender
class Student(Person):
	def __init__(self,name,gender,score):
		super(Student,self).__init__(name,gender)
		self.score=score
class Teacher(Person):
	def __init__(self,name,gender,course):
		super(Teacher,self).__init__(name,gender)
		self.course=course
t1=Teacher('Alice','female','math')
print t1.course
print t1.name