cumulative sum in python
import pandas as pd
import numpy as np
# Create a dataframe
df1 = pd.DataFrame({"A":[None, 3, 8, 14],
"B":[1, None, 4, 3],
"C":[5, 3, 9,None]})
# Computing sum over Index axis
print(df1.cumsum(axis = 0, skipna = True))
#skipna exclude null valuesCopyright © 2021 Codeinu
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