The Lazy Unpacker

A medium Python interview practice problem on DataDriven. Write and execute real python code with instant grading.

Domain

Python

Difficulty

medium

Seniority

L4

Problem

Given a list nested to arbitrary depth, implement a generator (or equivalent) that yields each non-list leaf value in order. The test harness collects the results into a list.

Summary

Instead of loading it all at once, yield it one piece at a time.

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