1 class Animal(object):2     pass

1 class Animal(object):2     def __init__():3         pass

class Animal(object):    def __init__(self,name):        self.name = namezebra = Animal(‘Jeffrey‘)print zebra.name#Jeffrey

class Animal(object):    """Makes cute animals."""    is_alive = True    def __init__(self, name, age):        self.name = name        self.age = age    # Add your method here!    def description(self):        print self.name        print self.agehippo = Animal(‘aa‘,3).description()#aa#3

 1 class Shape(object): 2     """Makes shapes!""" 3     def __init__(self, number_of_sides): 4         self.number_of_sides = number_of_sides 5  6 # Add your Triangle class below! 7 class Triangle(Shape): 8     def __init__(self,side1,side2,side3): 9         self.side1 = side110         self.side2 = side211         self.side3 = side3

 1 class Employee(object): 2     """Models real-life employees!""" 3     def __init__(self, employee_name): 4         self.employee_name = employee_name 5  6     def calculate_wage(self, hours): 7         self.hours = hours 8         return hours * 20.00 9 10 # Add your code below!11 class PartTimeEmployee(Employee):12     def calculate_wage(self,hours):13         self.hours = hours14         return 12*hours

 1 class Employee(object): 2     """Models real-life employees!""" 3     def __init__(self, employee_name): 4         self.employee_name = employee_name 5  6     def calculate_wage(self, hours): 7         self.hours = hours 8         return hours * 20.00 9 10 # Add your code below!11 class PartTimeEmployee(Employee):12     def calculate_wage(self,hours):13         self.hours = hours14         return 12*hours15     def full_time_wage(self,hours):16         return super(PartTimeEmployee,self).calculate_wage(hours)#返回父class函数17 18 milton = PartTimeEmployee(‘aa‘)19 print milton.full_time_wage(10)20 #200

class Triangle(object):    number_of_sides = 3    def __init__(self,angle1,angle2,angle3):        self.angle1  = angle1        self.angle2  = angle2        self.angle3  = angle3    def check_angles(self):        if self.angle1+self.angle2+self.angle3 == 180:            return True        else:            return Falsemilton = Triangle(60,60,60)print milton.check_angles()#True

 1 class Triangle(object): 2     number_of_sides = 3 3     def __init__(self,angle1,angle2,angle3): 4         self.angle1  = angle1 5         self.angle2  = angle2 6         self.angle3  = angle3 7     def check_angles(self): 8         if self.angle1+self.angle2+self.angle3 == 180: 9             return True10         else:11             return False12             13 class Equilateral(Triangle):14     angle = 6015     def __init__(self):16         self.angle1 = self.angle17         self.angle2 = self.angle18         self.angle3 = self.angle19 my_triangle  = Triangle(60,60,60)20 print my_triangle.number_of_sides21 print my_triangle.check_angles()