如何按键对字典进行排序？ - How can I sort a dictionary by key?

问题：

What would be a nice way to go from {2:3, 1:89, 4:5, 3:0} to {1:89, 2:3, 3:0, 4:5} ?从{2:3, 1:89, 4:5, 3:0}到{1:89, 2:3, 3:0, 4:5}什么？
I checked some posts but they all use the "sorted" operator that returns tuples.我检查了一些帖子，但它们都使用返回元组的“排序”运算符。

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解决方案：

参考一： https://en.stackoom.com/question/blhd
参考二： https://stackoom.com/question/blhd