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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 _readuintbe(self, length, start):
 """Read bits and interpret as a big-endian unsigned int."""

        if length % 8:
            raise InterpretError("Big-endian integers must be whole-byte. "
                                 "Length = {0} bits.", length)
        return self._readuint(length, start)