neg_pos

defmodule Main do

    def neg_pos(number) do
        cond do
            number < 0 -> "#{number}: negativni"
            number == 0 -> "#{number}: nula"
            number > 0 -> "#{number}: pozitivni"
        end
    end
end



IO.puts Main.neg_pos(-10)
IO.puts Main.neg_pos(0)
IO.puts Main.neg_pos(15)