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/NumPy 1.14

numpy.random.RandomState.bytes

RandomState.bytes(length)

Return random bytes.

Parameters:

length : int

Number of random bytes.

Returns:

out : str

String of length length.

Examples

>>> np.random.bytes(10)
' eh\x85\x022SZ\xbf\xa4' #random

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https://docs.scipy.org/doc/numpy-1.14.2/reference/generated/numpy.random.RandomState.bytes.html