The point is that it is very flexible. For example I could compute a hash of an input string, run a virus scan on a file or whatever else I wanted. In one conc

The point is that it is very flexible. For example I could compute a hash of an input string, run a virus scan on a file or whatever else I wanted. In one concrete example I was trying to explore some things about Super Mario Bros so the command would be to run the emulator based on the input and output some information about the game state (character location, speed, level...)