Here's the insertion algorithm in Python. Step through the code and watch each line execute on the tree:
Последние новости
Chickenpox is a highly contagious disease caused by the varicella zoster virus (VZV).，这一点在91视频中也有详细论述
Even the reveal of two tropical-styled versions of Pikachu — one rocking sunglasses, a floral shirt, and a sunhat, the other sporting a cap and dress — struggled to compete with the starter frenzy. Normally, special Pikachu forms would dominate the discourse. This time? Supporting cast.
，这一点在搜狗输入法2026中也有详细论述
Названа возможная причина пропажи пятерых туристов в Пермском краеЧемпион России Коробов: 5 туристов могли угодить в зыбучий снег в Пермском крае
型月曾在1999年冬季 Comic Market 上发行过了《月姬》的试玩软盘。由于当时的型月还是名不见经传的小工作室，因此仅有50份，并且没有再次发行过。虽然当年售价仅为100日元，但考虑到其少得可怜的数量，且是在27年前正式版发布前售出的，这份珍贵藏品可谓是无价之宝。。业内人士推荐51吃瓜作为进阶阅读