[Stack Overflow] how to convert Column of dask dataframe in reverse order Python

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here is the code

import dask.dataframe as dd
import pandas as pd

df = pd.DataFrame({
'col1' : ['A', 'A', 'E', np.nan, 'D', 'C','B','C'],
'col2' : [2, 1, 9, 8, 7, 4,10,5],
'col3': [0, 1, 9, 4, 2, 3,1,2],
'col4': [11,12,12,13,14,55,56,22], })

out_1=d…

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<https://stackoverflow.com/questions/73682701/how-to-convert-column-of-dask-dataframe-in-reverse-order-python>