1. class Employee:
  2.     def __init__(self, name, base):
  3.         self.name = name
  4.         self.base = base
  5.  
  6.     def salary(self):
  7.         return self.base
  8.  
  9.  
  10. class Teacher(Employee):
  11.     def __init__(self, name, base, hours):
  12.         super().__init__(name, base)
  13.         self.hours = hours
  14.  
  15.     def salary(self):
  16.         return self.base + self.hours * 500
  17.  
  18.  
  19. class Admin(Employee):
  20.     def salary(self):
  21.         return self.base * 1.2
  22.  
  23.  
  24. class Cleaner(Employee):
  25.     def salary(self):
  26.         return self.base * 0.8