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# pandas.DataFrame.keys

DataFrame.keys()

  Get the ‘info axis’ (see Indexing for more).

  This is index for Series, columns for DataFrame.

  Returns:
    Index

      Info axis.

  See also

  `DataFrame.index`

    The index (row labels) of the DataFrame.

  `DataFrame.columns`

    The column labels of the DataFrame.

  Examples

      >>> d = pd.DataFrame(
      ...     data={"A": [1, 2, 3], "B": [0, 4, 8]}, index=["a", "b", "c"]
      ... )
      >>> d
         A  B
      a  1  0
      b  2  4
      c  3  8
      >>> d.keys()
      Index(['A', 'B'], dtype='str')