Which Search Engine I Can Use Through Python?

The reason almost all search engines have strict policies nowadays even Bing has tough CAPTCHA challenges is why I need this for research and scraping purposes. It would be great if it also had unlimited usage.

Directly scraping search engines is no longer practical due to strict CAPTCHAs and blocking. For research and Python-based use, it’s better to rely on official or proxy search APIs.

You can try the Bing Web Search API (Azure), as it is compliant and reliable, includes an official Python SDK, and offers scalable usage limits suitable for research purposes.

Not free, but give serper.dev a look. Used them over the past 2 years and they are the best imo.
And really affordable pricing if you need bulk, down to 30cts per 1k.