Create a Companyclass that holds instances of employees.Then assign fiveemployeeinstances to an instance of the Companyclass.Next, add a work() method to both the Companyand Employeeclasses so that when you call the method on the Companyclass, each Employeeinstance assigned to the Employeeclass will work().Test the Companys work(). Create a EmployeeD class which is a subclass of UserDictand overrides __getitem__ and __setitem__ methods. Then read from your provided file to create a sequence of EmployeeD instancesusing generatorfunctionand printthe total salaries.