if (len1 === 0) return [];
from typing import List, Tuple, Dict, Any, Optional
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“我母亲花了1400元购买了新手机，骗子说手机的费用会报销，还称这是专用机。”龙先生告诉记者，该手机里有一个名为“畅连”的通讯工具，可在两部手机之间进行视频通话。骗子通过视频一步一步指导，让龙妈妈解开手机上的禁止安装第三方应用设置。第二道防线也被撕开了。
This is a $130 price drop from the Samsung Galaxy Watch 8 Classic's usual list price of $499.99. It also applies to both the black and white models, so no matter which of these sleek smartwatches has caught your eye, you can still grab it at a discounted price.