Because it’s my bag, I recently found myself writing some code that read various .csv files containing data related to similar concepts (why that data is in various .csv files isn’t germane to the story, baby, so just keep reading); that is, each file contained slightly different data but all the data was inter-related. Accordingly, what I did with the data once I read it was both similar and different. For example, regardless of file, first, I had to see if a particular item (in a row) existed elsewhere (i.e.
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