!7

p {
  RGBImage rgb1 = loadImage(#1006432);
  int x1 = 444;
  RGBImage rgb2 = loadImage(#1006433);
  int x2 = 418;
  
  new XLearner(litorderedmap(rgb1, 444, rgb2, 418));
}

sclass XLearner {
  sclass Example {
    RGBImage rgb;
    int x;
    
    RGBImage col() {
      ret rgbCol(rgb, x);
    }
  }
  
  new L<Example> examples;
  
  *(Map<RGBImage, Int> _examples) {
    for (RGBImage rgb : keys(_examples))
      examples.add(nu(Example.class, +rgb, x := _examples.get(rgb)));
      
    for (Example e : examples)
      print(rgbAverageBrightness(e.col()));
  }
}