def regist():
    name=input('name>>>:')
    pwd=input('pwd>>>:')
    dic={}
    dic[name] = pwd
    with open('xx','w',encoding='utf-8') as f:
        json.dump(dic,f,ensure_ascii=False)
regist()
import json
# from xxx import regist
import logging
logger = logging.getLogger("登录日志")#获取一个新的日志
formatter = logging.Formatter('%(asctime)s - %(name)s - [%(lineno)d] - %(message)s')#时间  日志名字  行数 报错
ch = logging.StreamHandler()#生成一个屏幕流
fh = logging.FileHandler("购物车日志.log","w","utf-8")#生成一个文件流
ch.setFormatter(formatter)#把定义的模板添加给屏幕流
fh.setFormatter(formatter)#把定义的模板添加给文件流
# logger.setLevel(logging.DEBUG)#更改日志记录级别
logger.addHandler(ch)#将以屏幕流方式输出日志
logger.addHandler(fh)#将以文件流方式输出日志
def login():
    count=0
    num1=10
    while count <3:
        with open('xx', 'r', encoding='utf-8') as f:
            dic=json.load(f)
        num=input('name>>:')
        pwd=input('pwd>>>>:')
        if dic.get(num) and dic.get(num) == pwd:
            print('登录成功')
            break
        else:
            print('请重新输入')
        num1 +=100
        count +=1
    logger.error(f"登录失败,转账%s"%(num1))
login()