https://www.learnpython.org/ms/Parsing_CSV_Files
Parsing CSV Files - Learn Python - Free Interactive Python Tutorial
learnpython.org is a free interactive Python tutorial for people who want to learn Python, fast.
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https://www.honeybadger.io/blog/ruby-csv-files/
Parsing CSV files in Ruby - Honeybadger Developer Blog
Working with CSV files is something every programmer has to do eventually. Fortunately, Ruby's built-in CSV library puts plenty of tools at our disposal.
parsing csv filesrubyhoneybadgerdeveloperblog