Rename multiple files

renamefiles.py

import os
import sys

# Function to rename multiple files
def main(path, prefixe, ext):
   i = 0
   for filename in os.listdir(str(path)):
      my_dest = prefixe + str(i) + ext
      print(my_dest)
      my_source =path + filename
      my_dest =path + my_dest
      os.rename(my_source, my_dest)
      i += 1

if __name__ == '__main__':
	main(sys.argv[1], sys.argv[2], sys.argv[3])