Phonebook-management-system using Linked-list

THIS DEMONSTRATES THE PHONEBOOK MANAGEMENT SYSTEM WITH DOUBLY LINKED LIST SO THAT TRAVERSING CAN BE EASY

Programming language used: C++

Operations implemented

1. Add a new contact.
2. Search a contact.
3. Count total number of contacts.
4. Display list of all contacts.
5. Display favourite contacts.
6. Update/edit a contact.
7. Add a contact to blocklist.
8. Display contacts in blocklist.
9. Delete contact from phonebook
10. Remove a contact from blocklist (i.e. permanently from phonebook).
11. Clear phonebook.
12. Remove a contact from blocklist and again move it in phonebook