code: def capfirst(s: str):
      """Capitalize the first letter of a string
  
      Args:
          s: String to capitalize
  
      Returns:
         Capitalized string
      """
      return s[0].upper() + s[1:]
  
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 19 for calling a global function with example usage: capfirst(s) and returns: unknown