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# numpy.core.defchararray.swapcase

`numpy.core.defchararray.``swapcase`(a)

  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')

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