#Doug Schieber

def horizon():
  file = makePicture(pickAFile())
  mirrorPoint = getHeight(file)/4
  height = getHeight(file)
  for x in range(0, mirrorPoint):
    for y in range(0, getHeight(file)):
      topPixel = getPixel(file, x, y)
      bottomPixel = getPixel(file, mirrorPoint - x, y)
      color = getColor(bottomPixel)
      setColor(topPixel, color)
  explore(file)
  
def waffle():
  canvas = makeEmptyPicture(100,100((yellow))
    for x in range(canvas):
      for y in range(canvas):
        newColor=pickAColor()
        width=getWidth(picture)  
        pixels=getPixels(picture)
        setColor(pixels[x,y], newColor)
        setColor(pixels[x + 1,y + 1], newColor)
        setColor(pixels[x + 2,y + 2], newColor)
        setColor(pixels[x + 3,y + 3], newColor)
        setColor(pixels[x + 4,y + 4], newColor)
        setColor(pixels[x + 5,y + 5], newColor)
        setColor(pixels[x + 6,y + 6], newColor)
        setColor(pixels[width], newColor)
        setColor(pixels[2 * width], newColor)
        setColor(pixels[2 * width + 7], newColor)
        setColor(pixels[3 * width], newColor)
        setColor(pixels[3 * width + 7], newColor)
        setColor(pixels[4 * width], newColor)
        setColor(pixels[4 * width + 7], newColor)
        setColor(pixels[5 * width], newColor)
        setColor(pixels[5 * width + 7], newColor)
        setColor(pixels[6 * width], newColor)
        setColor(pixels[6 * width + 7], newColor)
        setColor(pixels[6 * width + 1], newColor)
        setColor(pixels[6 * width + 2], newColor)
        setColor(pixels[6 * width + 3], newColor)
        setColor(pixels[6 * width + 4], newColor)
        setColor(pixels[6 * width + 5], newColor)
        setColor(pixels[6 * width + 6], newColor)
  repaint(picture)