How to move minecraft saved worlds from one account to another?

I'm running into one major problem here, I have no idea where to find the acounts to move the saves to. I know where the saves are and everything but not the accounts. Any help would be much appreciated.

Guest

For windows 7: open start, type %appdata% in the bottom, click on.Minecraft find the saves folder, there are your worlds
For windows 8: open start, go to all apps, find run and open it, type %appdata%, find.Minecraft, find the saves folder, there are your worlds.
When you've found the world(s) copy them to a flash drive or something and then put them into the saves folder of the computer you want to play them on.

Paul