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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 set_timestamp(self, data):
 """ Interpret time-related options, apply queue-time parameter as needed """

        if 'hittime' in data:  # an absolute timestamp
            data['qt'] = self.hittime(timestamp=data.pop('hittime', None))
        if 'hitage' in data:  # a relative age (in seconds)
            data['qt'] = self.hittime(age=data.pop('hitage', None))