https://askubuntu.com/questions/773166/remove-n-characters-from-end-of-file

rename-videos.py

#!/usr/bin/python3
import sys, os, os.path

for original_name in sys.argv[1:]:
	original_name_noext, extension = os.path.splitext(original_name)
	new_name = original_name_noext[:-11] + extension
	print('{0!r} => {1!r}'.format(original_name, new_name))

	if os.path.exists(new_name):
		reply = None
		while reply is None or len(reply) > 1 or reply not in 'YN':
			reply = input(
				'»{0}« exists already. Do you want to overwrite it? [y/N] '
					.format(new_name)
				).upper()
		if reply in 'N':
			print('Skipped!')
			continue

	try:
		os.rename(original_name, new_name)
	except OSError as ex:
		print(ex, file=sys.stderr)

Usage:

python3 rename-videos.py <FILE> ...

Awesome! Thanks for your help. im learning python so i still have a lot to come up to speed on. This helps. Appreciate it