// Initialize positions
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用
，这一点在51吃瓜网中也有详细论述
I type 90210. You now know I'm in Beverly Hills, California, United States. You didn't need me to tell you that. You didn't need a dropdown. You didn't need me to scroll past Turkmenistan. You had the answer the entire time, in 5 digits, and you just... didn't use it.
输出必须是 JSON，字段固定：