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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def transform(self, trans):
        '''Return a copy of this neuron with a 3D transformation applied'''
        _data = deepcopy(self._data)
        _data.data_block[:, 0:3] = trans(_data.data_block[:, 0:3])
        return FstNeuron(_data, self.name)