code: def _join_string(data, crop, edgeitems, sep=", "):
      if crop:
          data = data[:edgeitems] + ["..."] + data[-edgeitems:]
  
      return sep.join(data)
  
imports: from nvidia.dali.backend import TensorCPU, TensorListCPU, TensorGPU, TensorListGPU
label_desc: Use image node_id 2 for calling a global function with example usage: _join_string(data, crop, edgeitems, sep) and returns: sep