Flatten the Feed

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

Domain

Python

Difficulty

easy

Seniority

L3

Problem

Given a list nested to arbitrary depth, return a single flat list of all leaf values in left-to-right order. Strings are treated as leaves.

Summary

Nested lists, all the way down.

Practice This Problem

Solve this Python problem with real code execution. DataDriven runs your Python code in a real environment and grades it automatically.