code: def _rev(op):
      def __rev(x, y):
          return op(y, x)
  
      return __rev
  
imports: import operator
  from collections.abc import Callable
  from typing import Any, Optional, TYPE_CHECKING
  import jax
  import jax.tree_util
label_desc: Use image node_id 4 for calling a global function with example usage: _rev(op) and returns: __rev, op