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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 run(self):
 """Run find_route_functions_taint_args on each CFG."""

        function_cfgs = list()
        for _ in self.cfg_list:
            function_cfgs.extend(self.find_route_functions_taint_args())
        self.cfg_list.extend(function_cfgs)