C gave you "Hello World" while Haskell....

gives you

ghci> filter (`elem` ['A'..'Z']) "i lauGh At You BecAuse u r aLL the Same"
"GAYBALLS"

Cue me, laughing like a juvenile, suddenly, in office. 

But on a more serious note, learnyouahaskell.com teaches 

you Haskell, a FP language.