英语口语评测优惠活动

# 示例：限时折扣活动的简单管理脚本

import datetime

class DiscountActivity:
    def __init__(self, discount_rate, start_date, end_date):
        self.discount_rate = discount_rate
        self.start_date = start_date
        self.end_date = end_date

    def is_active(self):
        now = datetime.datetime.now()
        return self.start_date <= now <= self.end_date

    def apply_discount(self, original_price):
        if self.is_active():
            return original_price * (1 - self.discount_rate)
        else:
            return original_price

# 使用示例
activity = DiscountActivity(discount_rate=0.1, start_date=datetime.datetime(2023, 10, 1), end_date=datetime.datetime(2023, 10, 7))
price = 100
discounted_price = activity.apply_discount(price)
print(f"原价: {price}, 折扣后价格: {discounted_price}")