Interview preparation
Python interview questions
Every question starts with a direct answer you could say out loud, then explains why, when and what goes wrong. Tick questions off as you practise.
All Python questions
| # | Question | Difficulty | Type | Done |
|---|---|---|---|---|
| 1 | Explain shallow copy vs deep copy. | Easy | conceptual, debugging | |
| 2 | List vs tuple vs set: when would you use each in a data pipeline? | Easy | conceptual | |
| 3 | What is a generator and why can it help with large datasets? | Easy | conceptual, coding | |
| 4 | How should exceptions be handled in production data pipelines? | Medium | conceptual, scenario |
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Concept review
- LessonBeginnerPython Data Structures for Data Engineering Interviews
- LessonBeginnerPython Functions, Modules and Reusable Data Pipeline Code
- LessonIntermediateBuild an Idempotent CSV Loader in Python
- LessonIntermediatePython Iterators, Generators and Memory-Efficient Processing
- LessonBeginnerPython for Data Engineering