Build a CSV Parser
Implement a CSV parser that survives the real world: custom delimiters, quoted fields with escaped quotes, multi-line fields, edge cases (BOM, mixed line endings, unbalanced quotes), and streaming for huge files. The format that runs every spreadsheet and data import.
beginner8 lessons4 chapters8 graded exercisesPython
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What you’ll have built
Chapter by chapter. Every step is a graded exercise.
- The Basics
- Quoting
- Edge Cases
- Production
Starts in Python — solve in the language you choose in the editor, same tests either way.
Curriculum
4 chapters, 8 lessons. Each lesson is a short read, one graded exercise, and a quiz.
- 1CSV BasicsRead · exercise · quiz
- 2Different DelimitersRead · exercise · quiz
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