pythonWhat is the best way to ge

python - What is the best way to get the last non zero value in a window of N rows? - Stack Overflow
This is my dataframe:df = pd.DataFrame({'a': [0, 0, 1, -1, -1, 0, 0, 0, 0, 0, -1, 0, 0, 1, 0
pythonWhat is the best way to get the last non zero value in a window of N rowsStack Overflow
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