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The Squeeze
A easy Python interview practice problem on DataDriven. Write and execute real python code with instant grading.
- Domain
- Python
- Difficulty
- easy
- Seniority
- junior
Problem
Our message queue applies lightweight compression before transmission. Write a function that compresses a string using run-length encoding - 'aabcccaaa' becomes 'a2b1c3a3'. If the compressed version isn't shorter, return the original string unmodified.
Practice This Problem
Solve this Python problem with real code execution. DataDriven runs your Python code in a sandboxed Docker environment and grades it instantly.