https://leetcode.cn/problems/parsing-a-boolean-expression/

https://leetcode.cn/problems/parsing-a-boolean-expression/solution/golang-fen-jie-by-resara/

https://leetcode.cn/problems/parsing-a-boolean-expression/solution/bian-yi-qi-yuan-li-bao-li-jie-biao-da-sh-7xlk/

https://www.jianshu.com/p/e198c57e482b

https://segmentfault.com/a/1190000021539738

https://studygolang.com/articles/21641

https://www.google.com/search?q=%E5%B8%83%E5%B0%94%E8%A1%A8%E8%BE%BE%E5%BC%8F+golang&newwindow=1&sxsrf=ALiCzsZwQ3fqu00k2vjSN9Csx0KAlGZL-w:1655171956108&ei=dOunYu6MBtza4-EPyZCXiA4&start=10&sa=N&ved=2ahUKEwjulvGD7Kv4AhVc7TgGHUnIBeEQ8tMDegQIJxA9&biw=1920&bih=1060&dpr=1.5

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