import functools
import hashlib
import json

def cache_result(func):
    cache = {}

    @functools.wraps(func)
    def wrapper(*args, **kwargs):
        key = hashlib.md5(
            json.dumps((args, kwargs), sort_keys=True, default=str).encode()
        ).hexdigest()

        if key not in cache:
            cache[key] = func(*args, **kwargs)
            print(f"[CACHE] Computed result for {func.__name__}")
        else:
            print(f"[CACHE] Cache hit for {func.__name__}")

        return cache[key]

    wrapper.cache_clear = lambda: cache.clear()
    return wrapper