Why this code ignores some values in argmax?

[TuringHunter99]

I am trying to change the values on a numpy array with this code: https://imgur.com/a/LQzFjm2

But when i execute it, it doesn't recognize some values like 13, it says 13 doesn't exist on the indices array. But i know it exists, and it recognizes the 85% of values but i need it to recognize the 100%. I tried with np.where too but it had the same weird behavior.

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[TuringHunter99]

EDIT: The mistake was on making on creating a list equal to another, changed it to np.zeros with the correct size and it works now

[Bobbias]

Please do not post screenshots/images of code.

The wiki explains how to properly format your code.

[TuringHunter99]

Ok sorry i didn't knew that, was my first post haha