That afternoon I had 30 minutes to wait before I was picked up to be taken out for festive activities; could I code a Minecraft QR generator in time? It turns out I could!
I used the fantastic python module qrcode to create the QR, which has a useful function, get_matrix(), to allow you to get the QR as a 2 dimensional list of True and False’s. I then used this matrix to create white and black wool – dead easy! ….
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