This is very true! Another benefit to interactivity is when exploring/using bad code. In academia, you'll often be importing the worst and least-well-documente

This is very true! Another benefit to interactivity is when exploring/using bad code. In academia, you'll often be importing the worst and least-well-documented code you've ever seen. Being able to interactively experiment with someones 500-line 0-documentation function is often a better path to understanding than directly reading the code.