code: def _reduce_list(
      val_list: List[TupleOrTensorOrBoolGeneric],
      red_func: Callable[[List], Any] = torch.cat,
  ) -> TupleOrTensorOrBoolGeneric:
      """
      Applies reduction function to given list. If each element in the list is
      a Tensor, applies reduction function to all elements of the list, and returns
      the output Tensor / value. If each element is a boolean, apply any method (or).
      If each element is a tuple, applies reduction
      function to corresponding elements of each tuple in the list, and returns
      tuple of reduction function outputs with length matching the length of tuple
      val_list[0]. It is assumed that all tuples in the list have the same length
      and red_func can be applied to all elements in each corresponding position.
      """
      assert len(val_list) > 0, "Cannot reduce empty list!"
      if isinstance(val_list[0], torch.Tensor):
          first_device = val_list[0].device
          return red_func([elem.to(first_device) for elem in val_list])
      elif isinstance(val_list[0], bool):
          return any(val_list)
      elif isinstance(val_list[0], tuple):
          final_out = []
          for i in range(len(val_list[0])):
              final_out.append(
                  _reduce_list(
                      [val_elem[i] for val_elem in val_list], red_func
                  )
              )
      else:
          raise AssertionError(
              "Elements to be reduced can only be"
              "either Tensors or tuples containing Tensors."
          )
      return tuple(final_out)
  
imports: import typing
  from enum import Enum
  from functools import reduce
  from inspect import signature
  from typing import Any, Callable, cast, Dict, List, overload, Tuple, Union
  import numpy
  import torch
  from captum._utils.typing import BaselineType, Literal, TargetType, TensorOrTupleOfTensorsGeneric, TupleOrTensorOrBoolGeneric
  from torch import device, Tensor
  from torch.nn import Module
label_desc: Use image node_id 42 for calling a global function with example usage: _reduce_list(val_list, red_func) and returns: tuple, red_func, any