code: def main():
      if len(sys.argv) < 2:
          print(
              "For help with the holoviews command run:\n\nholoviews --help\n"
          )
          sys.exit()
  
      parser = argparse.ArgumentParser(
          prog="holoviews",
          formatter_class=RawTextHelpFormatter,
          description=description,
          epilog=epilog,
      )
  
      parser.add_argument(
          "--notebook",
          metavar="notebook",
          type=str,
          nargs=1,
          help="The Jupyter notebook to convert to Python syntax.",
      )
  
      parser.add_argument(
          "--install-examples",
          metavar="install_examples",
          type=str,
          nargs="?",
          help="Install examples to the specified directory.",
      )
  
      args = parser.parse_args()
      if args.notebook:
          print(export_to_python(args.notebook[0]), file=sys.stdout)
      else:
          if args.install_examples is None:
              examples_dir = "holoviews-examples"
          else:
              examples_dir = args.install_examples
          curdir, _ = os.path.split(__file__)
          root = os.path.abspath(os.path.join("..", "..", curdir))
          examples(path=examples_dir, root=root)
  
imports: import argparse
  import os
  import sys
  from argparse import RawTextHelpFormatter
  from .None import examples
label_desc: Use image node_id 1 for calling a global function with example usage: main() without return types