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如图，openmv串口接收数据有 b‘ ’ 这样的格式，想问问怎么删除
b说明这个变量类型是字节串，不是说这个变量第一个字符是b。
不需要消除。
如果你想转成字符串
buf = b'13683mm' data = buf.decode() print(data)
