code: def test_cdef_var(self):
      self.t(
          """
                      cdef int hello
                      cdef int hello = 4, x = 3, y, z
                  """
      )
  
file_path: catboost/contrib/tools/cython/Cython/Tests/TestCodeWriter.py
imports: from Cython.TestUtils import CythonTest
label_desc: Use image node_id 9 for calling the TestCodeWriter obj's underlying member method code with example usage: obj.test_cdef_var() without return types