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numpy.random.shuffle()

numpy.random.shuffle(x)

Modify a sequence in-place by shuffling its contents.

Parameters:

x : array_like

The array or list to be shuffled.
Returns:

None

Examples

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>>> arr = np.arange(10)
>>> np.random.shuffle(arr)
>>> arr
[1 7 5 2 9 4 3 6 0 8]

This function only shuffles the array along the first index of a multi-dimensional array:

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>>> arr = np.arange(9).reshape((3, 3))
>>> np.random.shuffle(arr)
>>> arr
array([[3, 4, 5],
       [6, 7, 8],
       [0, 1, 2]])
doc_NumPy
doc_NumPy
2025-01-10 15:47:30
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