Add the method removeName: to the AddressBook class to remove someone from the address book given this declaration for the method: -(BOOL) removeName: (NSString *) theName; Use the lookup: method...

Add the method removeName: to the AddressBook class to remove someone from the address book given this declaration for the method: -(BOOL) removeName: (NSString *) theName; Use the lookup: method developed in exercise 2. If the name is not found or if multiple entries exist, have the method return NO. If the person is successfully removed, have it return YES.