`numpy.strings:lower`

Signature

def lower ( a )

Return an array with the elements converted to lowercase.

Call str.lower element-wise.

For 8-bit strings, this method is locale-dependent.

a : array-like, with ``StringDType``, ``bytes_``, or ``str_`` dtype: Input array.

out : ndarray: Output array of StringDType, bytes_ or str_ dtype, depending on input types

import numpy as np
c = np.array(['A1B C', '1BCA', 'BCA1']); c
np.strings.lower(c)

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