from Person import Person
 
class Staff(Person):
   
    def __init__(self,name,staff_id):
        self._staff_id=staff_id
        super().__init__(name)
       
    def display(self):
        super().display()
        print("Staff Id :  "+self._staff_id)
        
        
        
   class Person:
   
    def __init__(self,name):
        self._name=name
       
    def display(self):
       
        print("Name :  "+self._name)
        
        
        
   from Staff import Staff
 
class Temporary_Staff(Staff):
   
    def __init__(self,name,staff_id,hours_worked):
        self._hours_worked=hours_worked
        super().__init__(name,staff_id)
   
    def display(self):
       
        super().display()
        print("Number of hours worked :  "+self._hours_worked)