code: def lt(*args, **kwargs):
      """Less-than function for backends that do not override <."""
      return backend()["lt"](*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 16 for calling a global function with example usage: lt() and returns: backend