code: def test_for_loop(self):
      self.t(
          """
                      for x, y, z in f(g(h(34) * 2) + 23):
                          print x, y, z
                      else:
                          print 43
                  """
      )
  
file_path: catboost/contrib/tools/cython/Cython/Tests/TestCodeWriter.py
imports: from Cython.TestUtils import CythonTest
label_desc: Use image node_id 10 for calling the TestCodeWriter obj's underlying member method code with example usage: obj.test_for_loop() without return types