Hints and Tips for PythonChallenge level 7

This is a page of hints for the Pythonchallenge.com level 7 challenge

It does not contain the answer so you can use as many hints as you want but still have to put everything together yourself to complete it

Note: A lot of these challenges have multiple different ways of solving them, the hints here might not match to what you have found already.

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Concentrate on the image.

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The code is in the grey pixels in the image, ignore the coloured bits.

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What ways are there to store data in colour values?

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Have a look at the PIL python library

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Can you automatically extract the colour values of each block?

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If the values are all within a certain range, could that be converted using a character map?