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# pandas.CategoricalDtype.categories

property CategoricalDtype.categories

  An `Index` containing the unique categories allowed.

  If no categories were explicitly provided at construction time, this will be `None` until the `CategoricalDtype` is attached to actual data.

  See also

  `ordered`

    Whether the categories have an ordered relationship.

  Examples

      >>> cat_type = pd.CategoricalDtype(categories=["a", "b"], ordered=True)
      >>> cat_type.categories
      Index(['a', 'b'], dtype='str')