# -*- coding: utf-8 -*-

import json

import time

def store(data):

    with open('data.json', 'w') as json_file:

        json_file.write(json.dumps(data))

def load():

    with open('data.json') as json_file:

        data = json.load(json_file)

        return data

if __name__ == "__main__":

    data = {}

    data["last"]=time.strftime("%Y%m%d")

    store(data)

    data = load()

    print data["last"]