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CBSE Class 12 Informatics Practices Question 40 of 101

Python Pandas — II — Question 16

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16
Question

Question 16

To calculative cumulative sum of a column of a DataFrame, you may use ............... function.

  1. sum()
  2. sum(cumulative = True)
  3. cumsum()
  4. none of these
Answer

cumsum()

Reason — The cumsum() function in pandas is used to calculate the cumulative sum of a column in a DataFrame i.e., in the output of this function, the value of each row is replaced by the sum of all prior rows, including this row.