pickle_json 序列化反序列化

import json,pickle

class Account:
    def __init__(self,total,pay):
        self.total = total
        self.pay = pay
    def Pay(self):
        self.balance = self.total - self.pay  # (余额)
 return (self.balance)

def Record():
    f = open("result_name",‘rb‘)
    balance = pickle.load(f)
    if balance:
        print(balance)
    # total = request.POST.get("total")
    # pay = request.POST.get("pay")
 total = balance
    pay = 30
 rc = Account(total,pay)
    result = rc.Pay()
    f = open("result_name","wb")
    pickle.dump(result,f)
    f.close()
    print(result)
Record()