rename_file

from os import walk
import os

def main():
    filenames = []
    f = []
    for (dirpath, dirnames, filenames) in walk("."):
        f.extend(filenames)
        break
    for filename in filenames:
        if ".py" not in filename:
            tmp_filename = filename.split(".")
            new_filename = tmp_filename[0]+"."+tmp_filename[2]+"."+tmp_filename[1]
            print "Rename file : "+filename+" => "+new_filename
            os.rename(filename, new_filename)
if __name__ == '__main__':
    main()