Very good at "vectorizing" plain python code to pandas. I just put code like using `for row in df:` and get idiomatic vectorized pandas The challenge is not i

Very good at "vectorizing" plain python code to pandas. I just put code like using `for row in df:` and get idiomatic vectorized pandas The challenge is not it knowing how to do, but understanding what you want to do. Code plus explanation works very well for more complex things.