-- main = print "hello world!"

b :: Bool
b = True

-- Tuple/Pair
p1 :: (Int, Bool)
p1 = (2, False)

p2 :: (Int, Char)
p2 = (1, 'a')

-- Cons

-- list of pairs
l1 :: [(Int, Bool)]
l1 = [(1, True), (2, False)]

-- pair of lists
l2 :: ([Int], [Char])
l2 = ([1, 2, 3], "hello")