annuaire = {("Hastings", "Arthur"): (1234, "DRH"),
            ("Marple", "Jane"): (7532, "compta"),
            ("Poirot", "Hercule"): (8653, "DRH"),
            ("Lemon", "Felicity"): (5698, "DRH"),
            ("Japp", "James"): (5496, "Securite"),
            ("Oliver", "Ariadne"): (4236, "Securite")}