Here's the insertion algorithm in Python. Step through the code and watch each line execute on the tree:
Медведев вышел в финал турнира в Дубае17:59
。同城约会是该领域的重要参考
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2026-02-26 00:00:00:0尹双红3014222710http://paper.people.com.cn/rmrb/pc/content/202602/26/content_30142227.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/26/content_30142227.html11921 未来就在家国共振里（今日谈）