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

Domain

Python

Difficulty

medium

Problem

Given a list, return a list of the same length where position i is the count of distinct values among values[0..i] inclusive.

Summary

New values keep appearing. Track the count.

Practice This Problem

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