# numpy.ndarray.__class_getitem__

method

ndarray.__class_getitem__(item, /)

  Return a parametrized wrapper around the `ndarray` type.

  New in version 1.22.

  Returns
    alias types.GenericAlias

      A parametrized `ndarray` type.

  See also

  PEP 585

    Type hinting generics in standard collections.

  `numpy.typing.NDArray`

    An ndarray alias generic w.r.t. its `dtype.type`.

  Notes

  This method is only available for python 3.9 and later.

  Examples

      >>> from typing import Any
      >>> import numpy as np

      >>> np.ndarray[Any, np.dtype[Any]]
      numpy.ndarray[typing.Any, numpy.dtype[typing.Any]]

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