parameters: (*args, **kw)
docstring: packing position and keywords paramaters.
docstring_summary: packing position and keywords paramaters.
docstring_tokens: packing position and keywords paramaters .
function: def pack_args(*args, **kw):
      """packing position and keywords paramaters."""
      if args and kw:
          return merge_args(*args, **kw)
      elif args:
          return args
      else:
          return kw
function_tokens: def pack_args ( * args , * * kw ) : if args and kw : return merge_args ( * args , * * kw ) elif args : return args else : return kw