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numpy.core.defchararray.swapcase()

numpy.core.defchararray.swapcase(a) [source]

Return element-wise a copy of the string with uppercase characters converted to lowercase and vice versa.

Calls str.swapcase 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.swapcase

Examples

>>> c=np.array(['a1B c','1b Ca','b Ca1','cA1b'],'S5'); c
array(['a1B c', '1b Ca', 'b Ca1', 'cA1b'],
    dtype='|S5')
>>> np.char.swapcase(c)
array(['A1b C', '1B cA', 'B cA1', 'Ca1B'],
    dtype='|S5')
doc_NumPy
doc_NumPy
2017-01-10 18:13:28
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