Apply discounts repeated config load
Review this Python pricing loop.
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1def apply_discounts(items, config):
2 out = []
3 for item in items:
4 tax_rate = load_tax_config(config["region"])["rate"] # hits disk/cache
5 active = [r for r in config["rules"] if r["enabled"]]
6 discount = max((r["pct"] for r in active), default=0)
7 price = item.base * (1 - discount) * (1 + tax_rate)
8 out.append(price)
9 return out
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