And why might you assume I don't use them? I do, and they are useful. If I had to type them in as comments, I would still use them, and probably not suffer too

And why might you assume I don't use them? I do, and they are useful. If I had to type them in as comments, I would still use them, and probably not suffer too much. They are a good thing, but I really think Python has bigger issues ahead. I'm beginning to wonder if Julia will overtake it in scientific programming, a notion I would have considered ridiculous a mere year ago. And that, I think, would be a shame - good job for Julia, but for me, the real magic sparkle of Python is that it is a first-class choice at so many things, _including_ data science. If the herd moves on, and Python becomes yet-another-2nd-choice for data science, that would be a real blow to its ecosystem.