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PYTHON : Extract first and last row of a dataframe in pandas

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PYTHON : Extract first and last row of a dataframe in pandas

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Select the first and last row per group in Polars dataframe

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Python - How to fetch the FIRST row of each group using pandas ?

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PYTHON : How to delete the last row of data of a pandas dataframe

PYTHON : How to delete the last row of data of a pandas dataframe

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Pandas dataframe get first row of each group

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