Write an address book program that stores your contacts' names and theiremail addresses. the names and email addresses are originally stored in a file calledphonebook. in, in the format: harry pottertheboywholived@hogwarts. eduhermione grangerbrightestwitch@hogwarts. eduron weasleyroonilwazlib@hogwarts. edudraco @hogwarts. eduseverus snapehalfbloodprince@hogwarts. edualbus dumbledorealasearwax@hogwarts. eduyour program should read from the file, storing the names and correspondingemail addresses in a dictionary as key-value pairs. then, the programshould display a menu that lets the user enter the numbers 1 through5, each corresponding to a different menu item: 1) look up an email address2) add a new name and email address3) change an email address4) delete a name and email address5) save address book and exitwhen the user enters 1, the program should prompt them for a name, and thenprint the corresponding email address. if there is no dictionary entry underthat name, the program should print, "sorry, no contact exists under that name."when the user enters 2, the program should prompt them for a name and an emailaddress, then add a new key-value pair to the dictionary. when the user enters 3, the program should prompt them for a name and a newemail address for that contact. it should change the value of thecorresponding dictionary entry to match the new email address. when the user enters 4, the program should prompt them for a name and deletethe corresponding dictionary entry. when the user enters 5, the program should write the names and email addressesin alphabetical order by first name to the file phonebook. out.