Unique Values

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

Domain

Python

Difficulty

easy

Seniority

L3

Problem

An event stream keeps emitting the same values more than once. Return a new list that keeps only the first time each value appears, in the order they first showed up.

Summary

Duplicates are noise. Remove them.

Practice This Problem

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