code: def main(argv=None):
      """Entry point for `orion.core` functionality."""
      # Fetch experiment name, user's script path and command line arguments
      # Use `-h` option to show help
  
      orion_parser = OrionArgsParser()
  
      load_modules_parser(orion_parser)
  
      return orion_parser.execute(argv)
  
imports: import logging
  from orion.core.cli.base import OrionArgsParser
  from orion.core.utils import module_import
label_desc: Use image node_id 2 for calling a global function with example usage: main(argv) and returns: orion_parser