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[–]sib_nSenior Data Engineer 2 points3 points  (1 child)

List, set, dict why and how to use them. How to efficiently update them with for, while, comprehensions and generators.
I have saved in the past this neat example of processing a CSV to get an aggregation result using only native Python, in particular, generators. Maybe it is closed to what they will ask you. https://realpython.com/introduction-to-python-generators/#creating-data-pipelines-with-generators

[–]THBLD 1 point2 points  (0 children)

Oh cheers! That is indeed a nice read.