Why reactivity? Notebooks are plagued by hidden state problems. All variables are global and mutable. Moreover, the output you see accompanying a cell depends on the order in which the cells were run. This has two big drawbacks:
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网络传闻称陈丽华遗嘱中，三名子女与养女各分得100亿，剩余约200亿资产（含紫檀博物馆及海外资产）归迟重瑞。富华集团未予证实。而陈丽华生前受访时曾表示："所有财富，我认为应当留给人民。赚自中国的钱财用于中国，是我们中国人的责任。"
But the vast majority of the time, you should endeavour to follow the naming rules and conventions we've discussed in this post. They exist for good reasons: they make your code more predictable and consistent, easier for other Gophers to quickly understand, and reduce the risk of certain bugs.