#!/usr/bin/env python

import os

origin = "source.bin"
destiny = "source.bin.bit";

f = open(origin, "r")
t = open(destiny, "w")

fsize = os.path.getsize(origin)

for i in range(0, fsize):
  d = f.read(1)
  t.write(d)
  t.write(d)
  t.write(d)

f.close()