code: def test_evaluate_assign(self):
      code = "x = 3"
      state = {}
      result = evaluate(code, {}, state=state)
      assert result == 3
      self.assertDictEqual(state, {"x": 3})
  
      code = "x = y"
      state = {"y": 5}
      result = evaluate(code, {}, state=state)
      # evaluate returns the value of the last assignment.
      assert result == 5
      self.assertDictEqual(state, {"x": 5, "y": 5})
  
file_path: transformers/tests/tools/test_python_interpreter.py
imports: import unittest
  from transformers.testing_utils import CaptureStdout
  from transformers.tools.python_interpreter import evaluate
label_desc: Use image node_id 1 for calling the PythonInterpreterTester obj's underlying member method code with example usage: obj.test_evaluate_assign() without return types