企业身份数据治理优惠卷

def validate_coupon(coupon_code, purchase_amount):
    valid_coupons = {
        "NEWUSER20": 20,  # 新用户20%折扣
        "RENEW100": 100   # 续费用户减免100元
    }
    
    if coupon_code in valid_coupons:
        if coupon_code == "NEWUSER20":
            discount = purchase_amount * 0.2
        else:
            discount = valid_coupons[coupon_code]
        
        if purchase_amount >= 500:  # 假设最低消费金额为500元
            return True, discount
        else:
            return False, "Minimum purchase amount not met"
    else:
        return False, "Invalid coupon code"

# 使用示例
result, message_or_discount = validate_coupon("NEWUSER20", 600)
if result:
    print(f"Coupon is valid. Discount: {message_or_discount}元")
else:
    print(f"Coupon validation failed: {message_or_discount}")