code: def swap_ref(a, b):
      return b, a
  
imports: from functools import partial
  from absl.testing import absltest
  from absl.testing import parameterized
  import numpy
  import jax
  from jax import random
  from jax._src import test_util
  from jax._src.lax.control_flow import for_loop
  import jax.numpy
  from jax import config
label_desc: Use image node_id 5 for calling a global function with example usage: swap_ref(a, b) and returns: b,  a