[jessegreathouse]

> Being a professional software engineer, on the other hand, very often does not involve "writing lots of code"! More often, you spend your time spelunking deep into other peoples code: code you do not understand, did not write, and have possibly never seen before in your life.

It's worth noting that this experience in a dynamically typed language like Python or Javascript can be a lot more pronounced than a strongly typed language.

[speedkills]

Maybe, but to be clear Li Haoyi writes a ton of very well typed Scala code. It just happens he used Python for this particular blog post. I did not get the feeling that this was just the perspective of a programmer working in a dynamically typed language.