Python Script for Daily Meetup Scraping

I'm looking for a Python expert to create a script that scrapes events from Meetup in Chicago, IL on a daily basis. The data should be saved in a JSON file.

Ideal skills and experience include:
- Strong proficiency in Python
- Experience with web scraping
- Familiarity with Meetup platform
- JSON format handling

Please note that the specifics of the event details to be scraped have not yet been determined. I'm open to suggestions based on your expertise.