code: def _camel_case(txt: str) -> str:
      return "".join(s.capitalize() for s in txt.split("_"))
  
imports: import inspect
  import math
  from typing import Any, Callable, Dict, Iterable, Iterator, List, Mapping, Optional, Tuple, Union
  import numpy
  import tensorflow
  from tensorflow_model_analysis import constants
  from tensorflow_model_analysis.api import types
  from tensorflow_model_analysis.metrics import metric_types
  from tensorflow_model_analysis.proto import config_pb2
  from tensorflow_model_analysis.utils import util
  from tensorflow_metadata.proto.v0 import schema_pb2
label_desc: Use image node_id 10 for calling a global function with example usage: _camel_case(txt) and returns: str