code: def capitalize(s: str):
      """Capitalize a string, removing '_' and keeping camelcase.
  
      Args:
          s: String to capitalize
  
      Returns:
          Capitalized string with no underscores.
      """
      return "".join(capfirst(x) for x in s.split("_"))
  
imports: import importlib
  import logging
  import os
  import pathlib
  import random
  import sys
  import threading
  import time
  import urllib.parse
  from collections import deque
  from types import ModuleType
  from typing import TYPE_CHECKING, Any, Callable, Dict, Iterable, Iterator, List, Optional, Tuple, TypeVar, Union
  import numpy
  import ray
  from ray._private.utils import _get_pyarrow_version
  from ray.data._internal.arrow_ops.transform_pyarrow import unify_schemas
  from ray.data.context import WARN_PREFIX, DataContext
label_desc: Use image node_id 20 for calling a global function with example usage: capitalize(s) and returns: str