code: def test_safe_zip(self):
      self.assertEqual([], util.safe_zip([]))
      self.assertEqual([], util.safe_zip((), []))
      self.assertEqual([], util.safe_zip([], [], []))
      self.assertEqual([], util.safe_zip([], iter([]), [], []))
      self.assertEqual([(7,)], util.safe_zip((7,)))
      self.assertEqual(
          [(0,), (1,), (2,), (3,)], util.safe_zip(range(4))
      )
      self.assertEqual(
          [(0, 4), (1, 5), (2, 6), (3, 7)],
          util.safe_zip(range(4), range(4, 8)),
      )
  
file_path: jax/tests/util_test.py
imports: import operator
  from absl.testing import absltest
  from jax._src import linear_util
  from jax._src import test_util
  from jax._src import util
  from jax import config
  from jax._src.util import weakref_lru_cache
label_desc: Use image node_id 1 for calling the SafeZipTest obj's underlying member method code with example usage: obj.test_safe_zip() without return types