Date: 2020-08-07 10:46:06
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You can use pandas to read your csv with chunksize argument as described here (How can I partially read a huge CSV file?)

import pandas as pd

#Function that you want to apply to you arguments

def fn(A, B, C, D):

    print(sum(A), sum(B), sum(C), sum(D))

#Iterate through the chunks

for chunk in pd.read_csv('test.csv', chunksize=3):

    #Convert dataframe to dict

    chunk_dict = chunk.to_dict(orient = 'list')

    #Pass arguments to your functions


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Posted by: perlusha