7 Python Best Practices Senior Developers Follow (That Beginners Often Miss)

Here's a function most reviewers would wave through. It fetches some orders, calls an API, logs a line, returns a result, and every test on the happy path passes. It also builds its own HTTP client, waits on the network forever, and logs "processing failed" with no way to tell which job. And there's no way at all to exercise what happens when the service goes down. A linter would pass it without a single complaint, because none of these problems are style problems. If naming and formatting are still the concern, the clean code crash course covers that ground well. This list starts where local tidiness stops helping. Senior Python practice, watched up close, is mostly surprise reduction. These seven habits surface the surprises before production does. Could a test…