The File Tree Builder

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

Domain

Python

Difficulty

medium

Seniority

L5

Problem

Given a list of file paths (slash-separated), build a nested dict representing the directory tree. Directories map to inner dicts; files map to None. Return the resulting dict.

Summary

Flat paths. Build the nested tree.

Practice This Problem

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