I noticed that one of the files used is an excel file (and the other csv).
To make things more computer readable (and better trackable with git), I would recommend using plain text files (which csvs are) whenever possible. Excel files are very useful when using formulas or formatting, etc, but in this case it seems to just be a list of numbers, which should work just fine as a csv (and will still be readable by excel).
I noticed that one of the files used is an excel file (and the other csv). To make things more computer readable (and better trackable with git), I would recommend using plain text files (which csvs are) whenever possible. Excel files are very useful when using formulas or formatting, etc, but in this case it seems to just be a list of numbers, which should work just fine as a csv (and will still be readable by excel).