零基础python教程094期 字典中的赋值技巧，update批量更新、比较setdefault方法与等于赋值#编程创造城市#刘金玉
Synopsis
知识要点： 1.掌握setdefault方法与普通字典的赋值的区别。 2.批量更新字典数据可以采用update方法，理解键值对的注意事项。 3.
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