آموزش class و instance variable در پایتون

Class or Static Variables in Python - GeeksforGeeks

(Payroll System Modification) Modify the payroll system of Figs. 10.4-10.9 to include private instance variable birthDate in class Employee. Use class Date of Fig. 8.7 to represent an employee's birthday. Add get methods to class Date and replace method toDateString with method toString. Assume that payroll is processed once per month. Create an array of Employee variables to store references to the various employee objects. In a loop, calculate the payroll for each Employee (polymorphically), a