code: def test_tensor_list_shapes(self):
      self.assertEqual(Tensor([[[]]]).shape, (1, 1, 0))
      self.assertEqual(Tensor([[], []]).shape, (2, 0))
      self.assertEqual(
          Tensor([[[[]], [[]]], [[[]], [[]]], [[[]], [[]]]]).shape,
          (3, 2, 1, 0),
      )
  
imports: import numpy
  import torch
  import unittest, copy
  import mmap
  from tinygrad import Tensor, Device, dtypes
  from tinygrad.helpers import temp
  from extra.gradcheck import numerical_jacobian, jacobian, gradcheck
label_desc: Use image node_id 21 for calling the TestTinygrad obj's underlying member method code with example usage: obj.test_tensor_list_shapes() without return types