from PIL import Image

im = Image.open("BarredRock.jpg")
series = [Image.new("RGB", im.size) for i in range(10)]
series[0] = im
width, height = im.size

for spos in range(1, 10):
   pix = series[spos-1].load()

   def neighbor_check(place, default):
       i,j = place
       if(i < width and i > 0 and j < height and j > 0):
           return pix[i,j]
       return default
   
   def cavg(vals):
       res = [0, 0, 0]
       for v in vals:
           res[0] += v[0]
           res[1] += v[1]
           res[2] += v[2]
       return [c/len(vals) for c in res]
   
   npix = series[spos].load()
   
   for i in range(width):
       for j in range(height):
           r,g,b = pix[i,j]
           neighbors = [(i-1,j-1), (i+1, j-1), (i-1, j+1), (i+1, j+1)]
           n_values = [neighbor_check(n, pix[i,j]) for n in neighbors]
           new_color = cavg(n_values)
           npix[i,j] = tuple(new_color)

   series[spos].show()