code: def show():
      """Function triggered by show command."""
      # If all tag is specified, display all information.
      if _SMCLI_ALL.value:
          _show_all(_SMCLI_DIR.value)
      else:
          # If no tag is specified, display all tag_sets.
          # If a tag set is specified:
          # # If list_ops is set, display all ops in the specified MetaGraphDef.
          # # If no signature_def key is specified, display all SignatureDef keys.
          # # If a signature_def is specified, show its corresponding input output
          # # tensor information.
          if _SMCLI_TAG_SET.value is None:
              if _SMCLI_LIST_OPS.value:
                  print(
                      "--list_ops must be paired with a tag-set or with --all."
                  )
              _show_tag_sets(_SMCLI_DIR.value)
          else:
              if _SMCLI_LIST_OPS.value:
                  _show_ops_in_metagraph(
                      _SMCLI_DIR.value, _SMCLI_TAG_SET.value
                  )
              if _SMCLI_SIGNATURE_DEF.value is None:
                  _show_signature_def_map_keys(
                      _SMCLI_DIR.value, _SMCLI_TAG_SET.value
                  )
              else:
                  _show_inputs_outputs(
                      _SMCLI_DIR.value,
                      _SMCLI_TAG_SET.value,
                      _SMCLI_SIGNATURE_DEF.value,
                  )
  
imports: import argparse
  import platform
  import ast
  import os
  import re
  from absl import app
  from absl import flags
  from absl.flags import argparse_flags
  import numpy
  from tensorflow.core.example import example_pb2
  from tensorflow.core.framework import types_pb2
  from tensorflow.core.protobuf import config_pb2
  from tensorflow.python.client import session
  from tensorflow.python.debug.wrappers import local_cli_wrapper
  from tensorflow.python.eager import def_function
  from tensorflow.python.eager import function
  from tensorflow.python.framework import meta_graph
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor_spec
  from tensorflow.python.lib.io import file_io
  from tensorflow.python.platform import tf_logging
  from tensorflow.python.saved_model import load
  from tensorflow.python.saved_model import load_options
  from tensorflow.python.saved_model import loader
  from tensorflow.python.saved_model import save
  from tensorflow.python.saved_model import signature_constants
  from tensorflow.python.tools import saved_model_aot_compile
  from tensorflow.python.tools import saved_model_utils
  from tensorflow.python.tpu import tpu
  from tensorflow.python.util.compat import collections_abc
label_desc: Use image node_id 24 for calling a global function with example usage: show() without return types