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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 find_route_functions_taint_args(self):
 """Find all route functions and taint all of their arguments. Yields: CFG of each route function, with args marked as tainted. """

        for definition in _get_func_nodes():
            if self.is_route_function(definition.node):
                yield self.get_func_cfg_with_tainted_args(definition)