Python Pandas running total column

Question

I have a df I want to add a running total column to

date	F1	F2
2020-12-1	10	5
2020-12-3	9	6
2020-12-4	7	16

Answer 1

Use cumsum

  df['F1 Running Total'] = df['F1'].cumsum()
  df['F2 Running Total'] = df['F2'].cumsum()
  df