# -*- coding: cp1252 -*-
import os

#file extension that will be added to the end
desiredExtension = ".jpg"

#make list of contents of current directory
dirList = os.listdir('')

#bring up each filename at a time to rename
for thisFile in dirList:
    if thisFile.endswith(".py") == False and thisFile.endswith(desiredExtension) == False:

        (baseName, oldExtension) = os.path.splitext(thisFile)
        os.rename(thisFile, baseName+oldExtension+desiredExtension)
        print(thisFile+" renamed to: "+baseName+oldExtension+desiredExtension)