simple login system , using python 3.8
programmer : fazelahmadi32@gmail.com
this program is a simple login system in python which allows user to login and also signup a new user and update datas (users.txt and passwords.txt) it also check for the new username to make sure that hasn't been taken already also check that if password matches with username or not( it simply match the line of the username in users.txt file with line of the password in passwords.txt file and they were the same means the password is correct!