[1] [()] the operation + cannot accept the arguments Why this is not working?

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#1

[1] [()] the operation + cannot accept the argument

Why this is not working?

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help1583×1684 288 KB

#2

You should define indexOfValue variable to a number.

#4

This variable:

IMG_20201109_174121
IMG_20201109_1741211080×199 35.3 KB

Should be defined to a number ( exactly as you made with the index variable) as you are adding numbers to it, you can’t add a number to list :slightly_smiling_face: you can only add numbers to a number.

#5