1. Use version control to track changes in your code 2. Do not push to the master branch 3. Use continuous integration / continuous delivery (CI/CD) systems 4. Code formatters 5. Pre-commit hook 6. Linters 7. Mypy: static type checker 8. More checks to pre-commit hook 9. External tools 链接地址： https://towardsdatascience.com/nine-simple-steps-for-better-looking-python-code-87e5d9d3b1cf