code: def klv(self):
      v = bytearray(self.key.encode("ascii"))
      v.append(0)  # marker to show where the value begins
      v += _klv_utils.create_value_bytes(self.value)
      action = _klv_utils.get_action_t(Actions.Set, v)
      return bytes(action)
  
imports: import enum
  import threading
  from cupyx.distributed import _klv_utils
label_desc: Use image node_id 3 for calling the Set obj's underlying member method code with example usage: obj.klv() and returns: bytes