1from functools import wraps
 2
 3def memoize(func):
 4    cache = {}
 5    @wraps(func)
 6    def wrapper(*args):
 7        if args in cache:
 8            return cache[args]
 9        else:
10            result = func(*args)
11            cache[args] = result
12
13            return result
14
15    return wrapper