code: def test_device_put(self):
      devices = self.get_devices()
  
      # test device_put on regular values
      x = jax.device_put(1, device=devices[0])
      self.assert_committed_to_device(x, devices[0])
  
      # test device_put on its own output
      y = jax.device_put(x, device=devices[1])
      self.assert_committed_to_device(y, devices[1])
  
      x = jax.device_put(jnp.zeros(2), device=devices[0])
      self.assert_committed_to_device(x, devices[0])
  
      y = jax.device_put(x, device=devices[1])
      self.assert_committed_to_device(y, devices[1])
  
      x = jax.device_put(jnp.zeros(2), device=devices[1])
      self.assert_committed_to_device(x, devices[1])
  
      # device_put with device=None does not change placement
      x = jax.device_put(jnp.zeros(2))
      self.assert_uncommitted_to_device(x, devices[0])
  
      x = jax.device_put(jax.device_put(2, device=devices[1]))
      self.assert_committed_to_device(x, devices[1])
  
imports: import os
  from unittest import SkipTest
  from absl.testing import absltest
  import jax
  import jax.numpy
  from jax import lax
  from jax._src import test_util
  from jax._src import xla_bridge
  from jax import config
label_desc: Use image node_id 7 for calling the MultiDeviceTest obj's underlying member method code with example usage: obj.test_device_put() without return types