import os

def print_menu():
    print('1. Print Phone Number')
    print('2. Add a Phone Number')
    print('3. Remove a Phone Number')
    print('4. Lookup a Phone Number')
    print('5. Quit')

numbers = {}
menu_choice = 0

while menu_choice != 5:
    os.system("cls")
    print_menu()
    menu_choice = int(input("Type in a number (1-5): "))
    if menu_choice == 1:
        print("Telephone Numbers: ")
        for contact in numbers:
            print(f"Nama : {contact}\t Phone : {numbers[contact]}")
        print()
        input("ENTER to EXIT")

    elif menu_choice == 2:
        print("Add Name and Number for Contact")
        name = input("Name : ")
        phone = input("Phone : ")
        numbers[name] = phone
        input("ENTER to EXIT")