code: def default_batch_fn(
      list_of_samples: tp.List[tp.Any],
  ) -> tp.Union[jnp.ndarray, tp.Tuple[jnp.ndarray]]:
      """Batches individual data samples."""
      assert len(list_of_samples) > 0
      return jax.tree_multimap(
          lambda *x: jnp.asarray(x), *list_of_samples
      )
  
imports: import multiprocessing.pool
  import os
  import typing
  import jax
  import jax.numpy
  import numpy
  from .data_adapter import DataAdapter
  from .utils import is_none_or_empty
label_desc: Use image node_id 1 for calling a global function with example usage: default_batch_fn(list_of_samples) and returns: jax