this is a code that you can login and register, have been tested, currently no bug, here is the code


Client(need to edit program)

Client(without edit program)

Spoilerafter you have successful login, it will do enter(username)

Server

changelog
SpoilerCurrent:
v0.3.4 -security question added
old:
v0.3.3 - server: now you dont need testsave()
- client: now print is better
v0.3.2 - nickname check
v0.3 - nickname!
v0.3.1(CLIENT ONLY) - Code modified
v0.2 - Allow to change username and password
v0.2.1(CLIENT ONLY) - modified something
v0.1 - created this
next:
v0.4 - bank-like system, would be a long time to do it