forgot screen lock code, how can i unlock it?

forgot screen lock code, how can i unlock it?
4gb

ANSWERS:

how do i get my iPod unlock?
I cantt get on iTunes. cause i cant get on my iPod. everytime i try to get on iTunes it says i have to be on my ipod
i forget my screen lock
how can I unlock my ipod 5 its disabled due to too many tries, I was going to unlock it but I hit setting by mistake and it entered numbers on its own and now and now its a password I don't even know?