Interview Practice Questions

How does a process differ from a thread?

Are you familiar with data races?

Are you familiar with PEP 8, linting, and Mypy?

Why is self needed in method arguments?

What happens if you call predict before train?

Can you explain type hints in code?

What are decorators in Python?

Can a decorator be implemented as a class?

What is the most efficient way to download one million images?

Why is asynchronous programming preferable to multithreading in Python?

Can you explain how asynchronous programming works in Python?

Should CPU-bound functions be defined with async def?

How does variable scope work in Python?

Why are exceptions needed in Python?

Why not simply catch the general Exception type?

Can you write a simple example of an exception-handling block?

Which columns can be changed to reduce memory usage? Why can an object column be converted to a categorical type?

So, I mostly did everything in Python, right?

Without using Python's built-in method?

What do you know about generators?