The Dependency Resolver

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 dict mapping task names to lists of task names that must run BEFORE them (prerequisites), return a valid topological execution order. If any cycle exists, raise an exception.

Summary

Everything depends on everything.

Practice This Problem

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