from PIL import Image
import numpy as np
image_one=Image.open('capone.pgm')
image_two=Image.open('escobar.pgm')

out=Image.new(image_one.mode, image_two.size)

(l,h)=image_one.size
for j in range(0, h):
    for i in range(0, l):
          out.getpixel((i,j)),(image_one.getpixel((i,j)) * (1.0 - 0.3) +  image_two.getpixel((i,j)) * 0.3 )

out.save("testaando.jpg","JPEG")
out.show()