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

Domain

Python

Difficulty

easy

Seniority

L3

Problem

Given a string, return its run-length encoding: each run of identical characters becomes that character followed by its run count (always include the count, even for runs of length 1).

Summary

Squeeze a string down to its tightest form.

Practice This Problem

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