RosettaCodeData/Task/Pick-random-element/Elixir/pick-random-element.elixir

defmodule Random do
  def init do
    :random.seed(:erlang.now)
  end
  def pick_element(list) do
    Enum.at(list, :random.uniform(length(list)) - 1)
  end
end

Random.init
list = Enum.to_list(1..20)
IO.puts Random.pick_element(list)