code: def null_postprocessing(results: ResultBatch) -> ResultBatch:
      """An empty postprocessing function that simply returns its input.
  
      Args:
          results (ResultBatch): Results from executing a batch of :class:`~.QuantumTape`.
  
      Returns:
          ResultBatch: the input to the function.
  
      """
      return results
  
imports: from functools import partial
  from typing import Callable, List, Tuple, Optional, Sequence
  import pennylane
  from pennylane.typing import Result, ResultBatch
  from pennylane.tape import QuantumTape
  from .transform_dispatcher import TransformContainer, TransformError, TransformDispatcher
label_desc: Use image node_id 3 for calling a global function with example usage: null_postprocessing(results) and returns: results