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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 installUpdate(self):
 """ Install the newest version of Plex Media Server. """

        # We can add this but dunno how useful this is since it sometimes
        # requires user action using a gui.
        part = '/updater/apply'
        release = self.check_for_update(force=True, download=True)
        if release and release.version != self.version:
            # figure out what method this is..
            return self.query(part, method=self._session.put)