The all() and any() functions are used to check if all or any item is non-zero, not-empty or not-False.
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Reason — The all() and any() functions are used to check if all or any item is non-zero, not-empty or not-False.
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The value NA/NAT/None are the same in Pandas and considered as NaN-values.
The iteritems() brings horizontal subsets from a dataframe.
CSV refers to tabular data saved as plain text where data values are separated by commas.
read_csv() method automatically takes the last row of the CSV file.