class_docstr: Create a graph from the execution flow of the ast
class_docstr_tok: ["Create","a","graph","from","the","execution","flow","of","the","ast"]
code: def visitFor(self, node):
      nodes = set()
      targets = self.visit(node.target)
      for_iter = self.visit(node.iter)
  
      nodes.update(targets)
      nodes.update(for_iter)
  
      add_edges(self.graph, targets, for_iter)
  
      with self.depends_on(for_iter):
          for stmnt in node.body:
              nodes.update(self.visit(stmnt))
  
      return nodes
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  from ...asttools import Visitor, visit_children
  import _ast
  from ...asttools.visitors.symbol_visitor import get_symbols
label_desc: Use image node_id 8 for calling the GraphGen obj's underlying member method code with example usage: obj.visitFor(node) and returns: nodes