-- Lists
let h = 1
let t = [2,3,4,5]

h:t -- This will show [1,2,3,4,5]

[1]:[2,3,4,5]  -- Disallowed:  Lists need to have elements of the same type

let l = [5,6,7,8]
head l
tail l

-- For interactive environment (no multiple lines and indentation):
let nth (h:t) 1 = h; nth (h:t) n = nth t (n-1)

nth l 2