Testing & Dependency Injection

• What is unit testing? Can you explain the testing pyramid and other types of testing?
• What is dependency injection, and how is it used in Python?

Async & Concurrency

• Why are you using ‘async’ in your methods? What does it do?
• What is the Global Interpreter Lock (GIL)?
• What is the difference between multiprocessing and asynchronous programming? How does Python handle these?

Memory Management

• What is the garbage collector in Python? How does it work?
• Can you influence memory management by the garbage collector?

Generators & Iterators

• What are generators, and when would you use them?
• What is the difference between a generator and a list?

Dunder Methods

• What are dunder (double underscore) methods in Python?
• What is the difference between == and is?
• Can you name some common dunder methods?

Object-Oriented Programming (OOP) & SOLID Principles

• What OOP principles do you know? Can you show how you implemented them in your code?
• What are the SOLID principles?