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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 visit_For(self, node):
 """ Handle iterator variable in for loops. Iterate variable may be the correct one at the end of the loop. """

        body = node.body
        if node.target.id in self.naming:
            body = [ast.Assign(targets=[node.target], value=node.iter)] + body
            self.visit_any_conditionnal(body, node.orelse)
        else:
            iter_dep = self.visit(node.iter)
            self.naming[node.target.id] = iter_dep
            self.visit_any_conditionnal(body, body + node.orelse)