code: def strip_strings(model):
      """Strips all nonessential strings from the model to reduce model size.
  
      We remove the following strings:
      (find strings by searching ":string" in the tensorflow lite flatbuffer schema)
      1. Model description
      2. SubGraph name
      3. Tensor names
      We retain OperatorCode custom_code and Metadata name.
  
      Args:
        model: The model from which to remove nonessential strings.
      """
  
      model.description = None
      for subgraph in model.subgraphs:
          subgraph.name = None
          for tensor in subgraph.tensors:
              tensor.name = None
      # We clear all signature_def structure, since without names it is useless.
      model.signatureDefs = None
  
imports: import copy
  import random
  import re
  import struct
  import sys
  import flatbuffers
  from tensorflow.lite.python import schema_py_generated
  from tensorflow.lite.python import schema_util
  from tensorflow.python.platform import gfile
label_desc: Use image node_id 6 for calling a global function with example usage: strip_strings(model) without return types