-- Question 1
getMiddle :: [a] -> Maybe a

-- Question 2
isPal :: String -> Bool

-- Question 3
runs :: (a -> a -> Bool) -> [a] -> [[a]]

-- Question 4
sortWords :: [String] -> [String]

-- Question 5a 
isMatrix :: [[Int]] -> Bool

-- Question 5b
myTranspose :: [[Int]] -> [[Int]]