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Single Element Among Pairs
A easy Python interview practice problem on DataDriven. Write and execute real python code with instant grading.
- Domain
- Python
- Difficulty
- easy
- Seniority
- mid
Problem
Our data integrity checker processes sorted lists where every element appears exactly twice - except one orphan. Write a function called find_single that takes this sorted list and returns the element appearing only once.
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.