code: def xshapes(self, xshapes):
      self._xshapes = xshapes
  
imports: import nnabla
  import nnabla.function
  import nnabla.functions
  from nnabla.function import PythonFunction
label_desc: Use image node_id 10 for calling the ConcatenateDataGrad obj's underlying member method code with example usage: obj.xshapes(xshapes) without return types