Process a 20 GB CSV on a laptop with 16 GB of RAM
Interview insights are lockedSee how often this is asked and which companies asked it with Buncho Pro.You must compute the mean amount per country from a 20 GB CSV with columns id, country, amount, notes, .... pd.read_csv on the whole file crashes with a memory error.
Show how to do it in pandas, and name two better long-term options.