code: def draw_line(pixels)
        pix_line = ""
        pixels.each do |pixel|
          pix_line = pix_line + "  ".colorize(:background => find_color(pixel))
        end
        puts pix_line
      end
docs: Takes in a string of colors and puts them out as background colored spaces
   For example, "rGK" creates a light_red square, a green square, and a black square