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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 shadow_copy(self):
 """ Return a copy of the resource with same raw data :return: copy of the resource """

        ret = self.__class__()
        if not self._is_updated():
            # before copy, make sure source is updated.
            self.update()
        ret._parsed_resource = self._parsed_resource
        return ret