注册登录

#_author: "Zoom"
#data:   2018/6/21
username = input('请输入你要注册的用户名：')
password = input('请输入你要注册的密码：')
with open('list_of_info',mode='w',encoding='utf-8') as f:
    f.write('{}\n{}'.format(username,password))
print('恭喜您，注册成功')

lis = []
i = 0

while i < 3:
    usn = input('请输入你的用户名')
    pwd = input('请输入你的密码')
    with open('list_of_info',mode='r',encoding='utf-8')as f1:
        for line in f1:
            lis.append(line)
    if usn == lis[0].strip() and pwd == lis[1].strip():
        print('登录成功')
        break
    else:print('帐号密码错误')
    i+=1