Feature or enhancement

Proposal:

Replace the old getopt with argparse in base64 to provide a prettier help message output.

I'm willing to submit a PR.

Has this already been discussed elsewhere?

This is a minor feature, which does not need previous discussion elsewhere

Links to previous discussion of this feature:

No response

Linked PRs

• gh-152150: Replacing the old getopt with argparse in base64 #152152