(*args, **kw)
packing position and keywords paramaters.
packing position and keywords paramaters.
packing position and keywords paramaters .
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
def pack_args ( * args , * * kw ) : if args and kw : return merge_args ( * args , * * kw ) elif args : return args else : return kw