This code displays a notification with the message "Hello, world!" using the OS X notification system.

python_show_osascript_notification.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# title: pytest
# date: "2023-08-26"
# author: Hsieh-Ting Lin, the Lizard 🦎

title = "Hellow"
body = "🦎"


def run_macos_notification(title, body):
    command = (
        f'osascript -e \'display notification with title "{title}" subtitle "{body}"\''
    )
    subprocess.run(command, shell=True)


run_macos_notification(title, body)