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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 adjustHSP(self, hsp):
 """ Adjust the read and subject start and end offsets in an HSP. @param hsp: a L{dark.hsp.HSP} or L{dark.hsp.LSP} instance. """

        reduction = self._reductionForOffset(
            min(hsp.readStartInSubject, hsp.subjectStart))

        hsp.readEndInSubject = hsp.readEndInSubject - reduction
        hsp.readStartInSubject = hsp.readStartInSubject - reduction
        hsp.subjectEnd = hsp.subjectEnd - reduction
        hsp.subjectStart = hsp.subjectStart - reduction