python读取文件数据实现简单的登陆操作

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time : 2019-11-21 9:19
# @ player :zhaohq
# @Email : 909095763@qq.com
# @File : day1.py
name = input('name:')
password = input('password')
count = 0
with open('test.txt', 'r') as fo:#打开文件
    data = fo.readlines()#读取信息到data
    # print(data)
    count = data.__len__()#计算data数据量
i = 0
while i < count:
    str1 = data[i]
    str2 = str1[:str1.rfind('\t')]#读取用户名
    str3 = str1[str1.rfind('\t'):]#读取密码
    # print(str2)
    # print(str3.strip())
    # print(type(name), type(password), type(str1), type(str2))
    if name == str2 and password == str3.strip():
        print('登陆成功')
        break
    else:
        i = i+1
        continue
else:
    print('用户名或密码错误')