Solution: Necessary functionalities of AD connection

Again the Fassacade pattern should be used for providing the functionality of

Creating and deleting of single students and school classes in Active Directory:

+createStudent(username, nameSchoolClass)
+deleteStudent(username, nameSchoolClass)
+createSchoolClass(nameSchoolClass)    
+deleteSchoolClass(nameSchoolClass)

Client class School uses fassade class PyAD which wraps installed Python module pyad