# File karel/karel_window.rb, line 293
  def label_streets_avenues
    @_streets.times do |i|
      x, y = scale_to_pixels(i + 1, 0.25)
      @_walls << TkcText.new(@canvas, x, y, :fill => 'black', :text => (i+1).to_s)
      x, y = scale_to_pixels(0.25, i + 1)
      @_walls << TkcText.new(@canvas, x, y, :fill => 'black', :text => (i+1).to_s)
    end
  end