from family import Person, Baby, Teenager, Adult, Senior from family import load_from_file, save_to_file my_family = load_from_file("my_family.json") i = len(my_family) + 1 m = Adult(i, "Marc", [7, 4, 1990], "Male", "Green") m.last_name = "Lardi" i += 1 v = Adult(i, "Vanessa", [7, 4, 1992], "Female", "Green") v.last_name = "Idral" if m.is_married(): print "Marc is married" else: print "Marc isn't married" v.just_married_with(m) if m.is_married(): print "Marc is NOW married" my_family.append(m) my_family.append(v) save_to_file(my_family, "my_family.json")