NOTEBOOKS ARE MCDONALDS OF CODE

Summary from the TLDR Web Dev newsletter

Python Notebooks promote bad coding habits like neglecting testing and linting due to their ease of use and impermanence. They also worsen personal productivity by causing distractions and creating inconsistencies between the notebook environment and production. While they seem fast to iterate on, they slow down team collaboration by making it difficult to track changes, maintain awareness of ongoing work, and share useful code snippets.