code: def main_helper():
      """Welcome to the\n
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      .                                        ╫█  Command Line Interface █▒\n
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      .\n
          Example usage for training:\n
              rllib train --algo DQN --env CartPole-v1\n
              rllib train file tuned_examples/ppo/pendulum-ppo.yaml\n\n
  
          Example usage for evaluation:\n
              rllib evaluate /trial_dir/checkpoint_000001/checkpoint-1 --algo DQN\n\n
  
          Example usage for built-in examples:\n
              rllib example list\n
              rllib example get atari-ppo\n
              rllib example run atari-ppo\n
      """
  
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 9 for calling a global function with example usage: main_helper() without return types