def menu(): print('''\n欢迎使用PYTHON学生通讯录1：添加学生2：删除学生3：修改学生信息4：搜索学生5：显示全部学生信息6：退出并保存''')def chaxun_student(name): if name in dic: print(name+" "+" ".join(dic[name])) print("Success") print(dic) else: print("No Record") print(dic)# 示例程序dic = {'张自强': ['12652141777', '材料'], '庚同硕': ['14388240417', '自动化'], '王岩': ['11277291473', '文法']}print(dic)menu()while True: choice = input() if choice == "1": print("ERROR") elif choice == "2": print("ERROR") elif choice == "3": print("ERROR") elif choice == "4": name = input() chaxun_student(name) elif choice == "5": print("ERROR") elif choice == "6": print("ERROR") break else: print("ERROR")