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      Melt and Wide To Long - UnPivoting a Pivot!

      Unpivot a pandas dataframe with melt

      Melt

      Unpivot a DataFrame from wide to long format, optionally leaving identifiers set.

      df.melt

      https://pandas.pydata.org/docs/reference/api/pandas.melt.html


      Wide to Long

      Unpivot a DataFrame from wide to long format. Less flexible but more user-friendly than melt.

      df.wide_to_long

      https://pandas.pydata.org/docs/reference/api/pandas.wide_to_long.html