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CSVs, or comma-separated value files, are a common file-based database-like format. Python has a built-in `csv` module that makes working with these files quick and easy.
Python has great documentation for the csv
module.
Sometimes you might have issues with the csv
module and files that contain a lot of Unicode, especially if you're using Python 2. If you run into that issue, check out unicodecsv.
For both CSV and JSON files, and others, the amazing tablib library is a great thing to check out.
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