Python yardım

#!/usr/bin/env python
# -*- coding: UTF-8 -*-
import sys
import zlib
import os

from os import walk
f = []path = "C:/Users/vural/Desktop/aa"

_xsign = "DHGAMES"
_key = "cxxwp5tcPIJ0x90r"

def _remove_header(str, sign): return str[len(sign):]

def _add_header(str, sign): return sign + str

if __name__ == "__main__":
    for dir, subdir, files in os.walk('scripts/'):
        for file in files:
            realfile = os.path.join(dir, file)
            if realfile.endswith(".lua"):
                fileout = realfile + "_"
            with open(realfile, 'rb') as raw:
                with open(fileout, 'wb') as output:
                    rawdata = raw.read()
                    output.write(zlib.decompress(rawdata))