code: def _param_arg_name(param):
      for opt in param.opts:
          if opt.startswith("--"):
              return opt[2:]
      return None
  
imports: import argparse
  import json
  import logging
  import os
  import subprocess
  import sys
  import click
  from guild import python_util
  from guild import util
  from .None import import_argparse_flags_main
  from .None import python_script
label_desc: Use image node_id 16 for calling a global function with example usage: _param_arg_name(param) and returns: None, opt