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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 _classify_segment(self, address, length):
 """Determine how a new data segment fits into our existing world Params: address (int):
 The address we wish to classify length (int):
 The length of the segment Returns: int: One of SparseMemoryMap.prepended """


        end_address = address + length - 1

        _, start_seg = self._find_address(address)
        _, end_seg = self._find_address(end_address)

        if start_seg is not None or end_seg is not None:
            raise ArgumentError("Overlapping segments are not yet supported", address=address, length=length)

        return DisjointSegment()