class Department:

Create a class called Department. A department should have the following four attributes:

$1.$ department$\_$name: the name of the department.

$2.$ capacity: a constant value to indicate the maximum number of employees that this department can

hire.

$3.$ roster: a list that holds all of the employee objects who work in this department.

Tasks:

$1.$ Add constructor.

$2.$ Add a get method for each attribute.

$3.$ Add a method called add$($e$)$ that can add an employee $($can be a regular Employee, an

HourlyPaidEmployee, or an Executive$)$ to the department. Assign this department to the employee

object$$s department attribute. Raise IndexError if the number of employees has exceeded maximum

capacity for the department. Update this information in the dictionary, employees.

$4.$ Add a method called transfer$($dept$,$ e$)$ that can transfer the given employee e to the specified

department. If the other department has reached its capacity limit$,$ then raise IndexError. If the given

employee is not in the department, then raise ValueError. Update this information in the dictionary,

employees.