Exercises to show the use of inheritance and OOP using C-Sharp.

1. Create an Employee class with member variables, empNumber, name, eMail, phoneNumber , jobtTitle , department
2. Create the appropriate constructor to initialise new objects of type Employee.
3. Implement a printdetails method that prints out information about an employee
4. Create a Manager class that extends from Employee. The Manager class has a secretaryname member variable, along with a getsecrename method which prints the name of a managers secretary. Create a printdetails method in the Manager class that prints out information about a manager and their secretary.