Welcome to the Contact Management System!

The Contact Management System (CMS) allows the user to:

1. Add a new contact Add a new contact to the CMS, including the following details:

Name Phone number Email address Address

2. Edit a contact Update any of a contact's details.

3. Delete a contact Remove a contact from the system.

4. Search for a contact Search for a specific contact via phone number and view all of that contact's details.

5. Display all contacts Displays all contacts, along with all of their details.

6. Export all contacts to a text file Store all contacts, along with all of their details, in a text file.

7. Quit Exit the application.