code: def help(ctx):
      print(ctx.parent.get_help())
  
file_path: metaflow/metaflow/cmd/main_cli.py
imports: import os
  from metaflow._vendor import click
  from metaflow.extension_support.cmd import process_cmds, resolve_cmds
  from metaflow.plugins.datastores.local_storage import LocalStorage
  from metaflow.metaflow_config import DATASTORE_LOCAL_DIR, CONTACT_INFO
  from metaflow.metaflow_version import get_version
  from .util import echo_always
  import metaflow.tracing
label_desc: Use image node_id 2 for calling a global function with example usage: help(ctx) without return types