import timeprint("欢迎进入铝铜讯程序".center(25,"*"))print("1：查询联系人资料".center(25,"*"))print("2：插入新的用户".center(25,"*"))print("3：删除已有用户".center(25,"*"))print("4：退出铝铜讯录程序".center(25,"*"))dictionary = dict({})while True: instruct_ = int(input("请输入相关指令>:")) if instruct_ == 1: dict_keys = list(dictionary.keys()) dict_values = list(dictionary.values()) print('已有记录的用户:',dict_keys) print('该用户的darling:',dict_values) elif instruct_ == 2: inkeys = input("请输入新的用户:") dict_keys_have = list(dictionary.keys()) for i in dict_keys_have: if inkeys == i: print(f"error,宁输入的用户在铜讯录已存在 ——>>{i}:{dictionary[i]}") change_instruct = input("是否修改用户资料(yes/no):") if change_instruct == 'yes' or change_instruct == 'YES': invalues = input("请输入用户的deling:") break elif change_instruct == 'no' or change_instruct == 'NO': break else: invalues = input("请输入用户的deling:") dictionary[inkeys] = invalues elif instruct_ == 3: del_keys = input("请输入要删除的用户:") print(f'已删除{del_keys}:',dictionary.pop(del_keys)) elif instruct_ == 4: print('正在退出程序...') time.sleep(1.314) print('退出成功...') break else:print('输入指令错误，请重新输入...')