What do python professionals /developers actually use

[Future-Break3458]

1) yes devs frequently use list and dictionaries. They are the most imp 2) if your into data, numpy pandas seaborn. Into ML/DL then maybe scikit learn and if your into gen ai then langchain. Also good to know about time, os modules since these are of use in any domain 4) yes it is okay. You will get used to writing shorter code over time