Here's the insertion algorithm in Python. Step through the code and watch each line execute on the tree:
ВСУ запустили «Фламинго» вглубь России. В Москве заявили, что это британские ракеты с украинскими шильдиками16:45
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The build-out comes as new energy vehicle adoption remains strong. In 2025, China produced 16.626 million new energy vehicles and sold 16.49 million units, up 29% and 28.2% respectively, data from the China Association of Automobile Manufacturers showed.，详情可参考搜狗输入法下载
Curious what’s included? You’ll get permanent access to Word for all your document creation needs, Excel for handling spreadsheets, and PowerPoint for crafting presentations. Outlook is included to help you manage email correspondence, while OneNote is there to upgrade the way you take notes, and Teams keeps you connected to friends, family, and coworkers.，详情可参考91视频