This blog article appears to work nice with Interactive Brokers TWS on Linux Mint with Python 3.69. I would recommend you go through this blog line by line to get started.

Get your stock trading free PDF books here https://quantlabs.net/contact-quantlabsnet/

https://quantlabs.net/blog/2021/05/test-algotrading101-blog-connection-with-interactive-brokers-tws-and-python-order/