#!/usr/bin/python3
import sys

if __name__ == "__main__":
    save_to_json_file = \
        __import__('7-save_to_json_file').save_to_json_file
    load_from_json_file = \
        __import__('8-load_from_json_file').load_from_json_file

    try:
        list = load_from_json_file("add_item.json")
    except FileNotFoundError:
        list = []
    list.extend(sys.argv[1:])
    save_to_json_file(list, "add_item.json")
