code: def canmergetensor(tbl):
      if not isinstance(tbl, list):
          return False
  
      if torch.is_tensor(tbl[0]):
          sz = tbl[0].numel()
          for v in tbl:
              if v.numel() != sz:
                  return False
          return True
      return False
  
label_desc: Use image node_id 1 for calling a global function with example usage: canmergetensor(tbl) and returns: False, False, True, False