Your question is Byte Packing in Python. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Write runnable Python code that performs byte packing.
Asked in the Technical Screen stage. The interviewer strictly required executable code that could be run during the session. The problem involved packing bytes using Python.