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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 get_memory_size(self):
 """Returns the approximate memory footprint for data."""

        n = sys.getsizeof(self)
        n += sys.getsizeof(self.padding)
        n += total_size(self.start_addr)
        n += total_size(self._buf)
        n += sys.getsizeof(self._offset)
        return n