usename = input('请输入你的注册账号') passward = input('请输入你的注册密码') with open('list_of_info',mode='w+',encoding="utf-8") as f: f.write("{} {}".format(usename,passward)) print("恭喜你注册成功") i=0 lis=[] while i<3: usn = input('请输入你的登录账号') pwd = input('请输入你的登录密码') 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("恭喜你登陆成功") break else: print("对不起,你的号码密码错误") i+=1
注意:换行符