How to calculate cumulative sum in python?

Question

I got this table. And want to multiple cumulative sum of product 4355 to 4334.

https://numpy.org/doc/stable/reference/generated/numpy.cumsum.html — pr94, Jun 18 '21 at 14:14

score 0 · Answer 1 · answered Jun 18 '21 at 10:57

0

I assume that you have read the dataframe as df

import numpy as np

sales_array = df["Sale"].values
result = np.sum(sales_array)
print(result)

answered Jun 18 '21 at 10:57

Rizquuula

but is that cumuluative? i found sumcum function, which is not working for me – Arty Jun 18 '21 at 10:59
fyi you can use `df[col].cumsum()` to calculate the cumulative sum of a row in a dataframe – Tom McLean Jun 18 '21 at 11:02

1 Answers1