def lru_cache(maxsize=128, typed=False):
    """Decorator to wrap a function with a memoizing callable that saves
    up to `maxsize` results based on a Least Recently Used (LRU)
    algorithm.

    """
    if maxsize is None:
        return _cache(_UnboundCache(), typed)
    else:
        return _cache(LRUCache(maxsize), typed)
def lru_cache ( maxsize = 128 , typed = False ) : if maxsize is None : return _cache ( _UnboundCache ( ) , typed ) else : return _cache ( LRUCache ( maxsize ) , typed )
Decorator to wrap a function with a memoizing callable that saves
    up to `maxsize` results based on a Least Recently Used (LRU)
    algorithm.