code: def default_tool_argparser(description, example_parameters):
      
      import argparse
      epilog = '\n'
      for k, v in sorted(example_parameters.items()):
          epilog += '  ' + k + '\n'
      p = argparse.ArgumentParser(
          description=description,
          add_help=False,
          formatter_class=argparse.RawDescriptionHelpFormatter,
          epilog=('available values for examples (exkey):'+epilog))
      return p
docs: Create default parser for single tools.