产品捆绑建议 代理

from collections import defaultdict
def suggest_bundles(orders, min_support=0.02):
    pairs = defaultdict(int)
    for order in orders:
        items = order['products']
        for i in range(len(items)):
            for j in range(i+1, len(items)):
                pairs[(items[i], items[j])] += 1
    bundles = [(a, b, count) for (a, b), count in pairs.items()
               if count / len(orders) >= min_support]
    return sorted(bundles, key=lambda x: -x[2])