What is accumulate?

Question

This thing was in itertools(python)

Answer 1

If you're talking about the function from itertools in Python, here you go:
https://www.geeksforgeeks.org/python-itertools-accumulate/amp/

In the future, please specify more details.
https://www.sololearn.com/discuss/333866/?ref=app

Answer 2

Lord Krishna,
I am editing the question

I edited a bit more and removed tha mfd tag. I wil remove my answer soon. Sadat Rahman