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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 getReadAlignmentId(self, gaAlignment):
 """ Returns a string ID suitable for use in the specified GA ReadAlignment object in this ReadGroupSet. """

        compoundId = datamodel.ReadAlignmentCompoundId(
            self.getCompoundId(), gaAlignment.fragment_name)
        return str(compoundId)