I need your help to figure out the answer for this question. I've spent my 3 days but I haven't still figured out how to do this. Here my question: https://i.stack.imgur.com/OiOuT.png
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Please [edit](https://stackoverflow.com/posts/58890663/edit) your question to include a [minimal reproducible example](https://stackoverflow.com/help/minimal-reproducible-example) including sample input, output, potential traceback and _code for what you have tried_ so far. – Arn Nov 16 '19 at 12:23
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Welcome to Stack Overflow! Please take the [tour](https://stackoverflow.com/tour) and read through the [help center](http://stackoverflow.com/help), in particular [how to ask](https://stackoverflow.com/help/how-to-ask). This site isn't a code writing service. – help-info.de Nov 16 '19 at 12:53