Watcher monitors Twitter Tags

I need a simple app to follow a few Twitter accounts of my choice. I'm looking for new tweets that contain a hashtag or cachetag (e.g. #ADIDAS or $ADIDAS). Remember, today it could be #adidas, tomorrow it could be another #tag $tag or something else. If a user uses your hashtag/cashtag for the first time, send them a notification via Telegram's webhook. If it has been used in the past or we have received warnings about this tag from this specific user in the past, no action will be taken.

You'll need Python, access to the code, and the final app must be built for Windows. If you can make it with a free scraper, great.