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# numpy.core.defchararray.add

`numpy.core.defchararray.``add`(x1, x2)

  Return element-wise string concatenation for two arrays of str or unicode.

  Arrays x1 and x2 must have the same shape.

  Parameters : | x1 : array_like of str or unicode Input array. x2 : array_like of str or unicode Input array.
  Returns : | add : ndarray Output array of `string_` or `unicode_`, depending on input types of the same shape as x1 and x2.