随处可见的二维码是怎么生成的？自己做一个试试吧。
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version：定义了生成二维码的尺寸，它的取值范围是 1 到 40 的整数。该参数的值越大，生成的二维码图像就越大；
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box_size：定义了每个像素块的大小；
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border：定义了边框的厚度。比如，当它的值是 5，就意味着边框的厚度相当于 5 个小像素块；
原文链接：https://towardsdatascience.com/generate-qrcode-with-python-in-5-lines-42eda283f325
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