numpy.core.defchararray.lower¶

numpy.core.defchararray.lower(a)[source]¶

Return an array with the elements converted to lowercase.

Callstr.lower element-wise.

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

Parameters:	a : array_like, {str, unicode} Input array.
Returns:	out : ndarray, {str, unicode} Output array of str or unicode, depending on input type

See also

str.lower

Examples

>>>c=np.array(['A1B C','1BCA','BCA1']);carray(['A1B C', '1BCA', 'BCA1'],      dtype='|S5')>>>np.char.lower(c)array(['a1b c', '1bca', 'bca1'],      dtype='|S5')