import os
import shutil

fileNames = ["one", "two", "three"]

i = 1

for fileName in fileNames:
	srcName = "./" + fileName
	destName = "./dest/" + str(i) + "." + fileName
	i = i + 1
	shutil.copy(srcName, destName)
	print("successfully, renamed file names. and copied in to : " + destName)