code: def test_print_function(self):
      with support.captured_output("stderr") as s:
          print("foo", file=sys.stderr)
      self.assertEqual(s.getvalue(), "foo\n")
  
file_path: cpython/Lib/test/test_future_stmt/test_future_multiple_features.py
imports: from __future__ import unicode_literals, print_function
  import sys
  import unittest
  from test import support
label_desc: Use image node_id 2 for calling the TestMultipleFeatures obj's underlying member method code with example usage: obj.test_print_function() without return types