write in c++ 1.Design the class patientType, inherited from class persontype, with additional data members to store a patient's ID, age, date of birth, the date the patient was admitted in the hospital, and the date the patient was discharged. The data members must be private. 2. Add appropriate constructors and member functions to initialize, access and manipulate data members. 3. Code a test program that creates a new patient. Test the classes as follows: Create a patientType object. Request the patient ID, First Name, Last Name Set the values in the object appropriately The date of birth, admission date and discharge dates may be set using hard-coded values or requested. Set these values for the patientType object Print the patientType object information: First Name, Last Name, Admission Date, Discharge Date, Date of birth