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请问同时识别多条条形码时，barcode.payload()返回条形码信息的顺序是什么？
没有明确的顺序。
那请问从左到右在同一高度放置三个条形码，barcode.payload()返回的是什么呢
codes = img.find_barcodes() 返回的是数组
for code in codes中，每一个code就是一个条形码。