code: def stack(tensors, *args, **kwargs):
      """Perform tensor stacking"""
      return __cat_stack_helper("stack", tensors, *args, **kwargs)
  
imports: import torch
  from ..common.tensor_types import is_tensor
  from ..common.util import torch_cat, torch_stack
label_desc: Use image node_id 16 for calling a global function with example usage: stack(tensors) and returns: __cat_stack_helper