The Rolling Peak

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 of numbers and positive integer k, return the maximum average of any contiguous subarray of length exactly k. If len(nums) < k, return None.

Summary

The sweetest stretch in the sequence.

Practice This Problem

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