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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_gh(self, arg):
 """ gh - go with exception handled """

        if self.cmdprefix:
            raise CmdError("prefix not allowed")
        if arg:
            raise CmdError("too many arguments")
        if self.lastEvent:
            self.lastEvent.continueStatus = win32.DBG_EXCEPTION_HANDLED
        return self.do_go(arg)