Python Composition Example

Python_Composition_Example.py

class Salary:
    def __init__(self, pay, bonus):
        self.pay=pay
        self.bonus=bonus

    def annual_salary(self):
       return (self.pay*12) + self.bonus

class Employee:
    def __init__(self, name, age, pay, bonus):
        self.name=name
        self.age=age
        self.obj_salary=Salary(pay, bonus)

    def total_salary(self):
        return self.obj_salary.annual_salary()

emp = Employee('max', 25, 15000, 10000)
print(emp.total_salary())