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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 do_quit(self, arg):
 """ quit || exit || q Stop and quit the current debugging session """

        for name, fh in self._backup:
            setattr(sys, name, fh)
        self.console.writeline('*** Aborting program ***\n')
        self.console.flush()
        self.console.close()
        WebPdb.active_instance = None
        return Pdb.do_quit(self, arg)