numpy.core.defchararray.swapcase¶
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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
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')