code: def extract_listcomp(self, function, sequence):
      assert len(function.body) == 1
      assert isinstance(function.body[0], _ast.Return)
  
      value = function.body[0].value
  
      assert isinstance(value, _ast.ListComp)
  
      generators = list(value.generators)
      for generator in generators:
          if generator.iter.id == ".0":
              generator.iter = sequence
  
      setcomp = _ast.ListComp(
          elt=value.elt,
          generators=generators,
          lineno=value.lineno,
          col_offset=0,
      )
      self.ast_stack.append(setcomp)
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import opcode
  import _ast
  from ..bytecodetools.instruction import Instruction
  from ..asttools.visitors.print_visitor import print_ast
  from ..utils import py3op, py2op, py3
label_desc: Use image node_id 12 for calling the CtrlFlowInstructions obj's underlying member method code with example usage: obj.extract_listcomp(function, sequence) without return types