Students who do these assignments spend a lot of time trying to distinguish between these mystery languages, and writing program after program that fails to tel

Students who do these assignments spend a lot of time trying to distinguish between these mystery languages, and writing program after program that fails to tell them apart. The next day in class, they hear a simple explanation of how the mystery languages differ. I hope that one of the lessons they walk away with is just how difficult it is to poke at a black box, and a renewed appreciation for specs.