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The Expander
A easy Python interview practice problem on DataDriven. Write and execute real python code with instant grading.
- Domain
- Python
- Difficulty
- easy
- Seniority
- mid, senior
Problem
Write a function that decodes a run-length encoded string. The input is a string where each run is represented as a count followed by a character, like '3a2b1c'. Return the fully decoded string.
Practice This Problem
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