hello = "Hello World" list = [1, 2, 3] print(hello) -- "Hello World" print list -- [1,2,3] putStrLn hello -- Hello World putStrLn $ show list -- [1,2,3]-- Use 'putStrLn' to print ghci> putStrLn "Hello World!" Hello World! -- Type of 'putStrLn' function ghci> :t putStrLn putStrLn :: String -> IO ()