智能编辑双12优惠活动

import pandas as pd

class PromotionManager:
    def __init__(self, products, discounts):
        self.products = products
        self.discounts = discounts

    def apply_discounts(self):
        for product in self.products:
            if product['id'] in self.discounts:
                product['price'] *= (1 - self.discounts[product['id']])
        return self.products

# 示例数据
products = [
    {'id': 1, 'name': 'Laptop', 'price': 1000},
    {'id': 2, 'name': 'Smartphone', 'price': 500},
    {'id': 3, 'name': 'Tablet', 'price': 300}
]

discounts = {1: 0.1, 3: 0.15}  # 产品ID对应的折扣率

manager = PromotionManager(products, discounts)
updated_products = manager.apply_discounts()

for product in updated_products:
    print(f"{product['name']}: ${product['price']:.2f}")