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比如想要识别不同的六种物体，并且要返回不同串口值。然后每一次都有一大长串程序，采用了那个教程提过的import 来引用别的程序一起运行，但是效果不太好，想问问该怎么做。
直接在死循环里写if else就行。
https://singtown.com/learn/50235/