Write a menu driven program in PYTHON that keeps names and email addresses in a dictionary as key-valuepairs.The program should display a menu that lets the user look up a person’s email address, add a new name and email address, change an existing email address, and delete an existing name and email address. The program should save the data stored in a dictionary to a file when the user exits the program. Each time the program starts, it should retrieve the data from the file and storeit in a dictionary. You must create and use at least 9 meaningful functions.
