#！/usr/bin/env python

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

 import pickle

 accounts ={1000:'alex',

            'name':'xxx',

            'email':'xxxxsss@163.com',

            'password':'abc123',

            'balance':100000,

         'phone':13643424246,

            'bank_acc':{'icbc':132435,'abc':557868687,'bac':787977564}}

 print(pickle.dumps(accounts))

 f=open('account.db','wb')

 f.write(pickle.dumps(accounts))

 f.close()

 import pickle

 accFile = open('account.db','rb')

 accDict = pickle.loads(accFile.read())

 accFile.close()

 accDict['balance']-=500

 f=open('account.db','wb')

 f.write(pickle.dumps(accDict))

 f.close()

 print(accDict)

 import pickle

 f = open('account.db','rb')

 account_db = pickle.loads(f.read())

 f.close()

 print(account_db)