code: def get_anchors(indices_tuple):
      if len(indices_tuple) == 3:
          return indices_tuple[0]
      elif len(indices_tuple) == 4:
          return torch.cat([indices_tuple[0], indices_tuple[2]], dim=0)
  
imports: import math
  import numpy
  import torch
  from .None import common_functions
label_desc: Use image node_id 17 for calling a global function with example usage: get_anchors(indices_tuple) and returns: indices_tuple, torch