python image library

from PIL import Image

width, height = (300, 300)

x,y = (0,0)

img = Image.open("D:/what.png")

img2 = Image.new("RGB", (300,300), (0xff,0xff,0xff))

pix = img.load()

for x in range(0,300):

   for y in range(0,300):

      r = pix[x,y][0]

      g = pix[x,y][1]

      b = pix[x,y][2]

      if(r==g and g==b and(r==192 or r==0)):

         img2.putpixel( (x,y), (255,255,255) )

      else:

         img2.putpixel( (x,y), (0,0,0) )

img2.save("D:/solve__.png","png")