notQuit = True
print("Select 1 to display telephone listing")
print("Select 2 to add new telephone listing")
print("Select 3 to quit")
while notQuit == True:
    selection = input("Selection: ")
    selection = int(selection)
    telephoneBook = {
        "Ernest Hemingway":"414-878-7745",
        "Stephen King":"240-123-4564",
        "Charles Dickens":"321-458-7785"
    }
    if selection == 1:
        print("Client Name || Telephone#")
        for x in telephoneBook:
            print(x + ": " + telephoneBook[x])

    elif selection == 2:
        newListingKey = str(input("Enter name: "))
        newListingValue = str(input("Enter phone number"))
        telephoneBook[newListingKey] = newListingValue


    elif selection == 3:
        notQuit = False