code: def example_callback():
      """RLlib command-line interface to run built-in examples. You can choose to list
      all available examples, get more information on an example or run a specific
      example.
      """
      pass
  
file_path: ray/rllib/scripts.py
imports: import collections
  from rich.console import Console
  from rich.table import Table
  import typer
  from ray.rllib import train
  from ray.rllib.common import CLIArguments
  from ray.rllib.common import EXAMPLES, FrameworkEnum, example_help, download_example_file
label_desc: Use image node_id 2 for calling a global function with example usage: example_callback() without return types