def _get_program_cache_key(feed, fetch_list):
    feed_var_names = list(feed.keys())
    fetch_var_names = list(map(_to_name_str, fetch_list))
    return str((feed_var_names + fetch_var_names))
def _get_program_cache_key(feed, fetch_list):
    feed_var_names = list(feed.keys())
    fetch_var_names = list(map(_to_name_str, fetch_list))
    return str((feed_var_names + fetch_var_names))