code: def map(*args, **kwargs):  # pylint: disable=redefined-builtin
      """Map a function over leading array axes."""
      return backend()["map"](*args, **kwargs)
  
imports: import contextlib
  import enum
  import gin
  from trax.fastmath.jax import JAX_BACKEND
  from trax.fastmath.numpy import NUMPY_BACKEND
  from trax.fastmath.tf import TF_BACKEND
label_desc: Use image node_id 12 for calling a global function with example usage: map() and returns: backend