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The Flat Mapper
A medium Python interview practice problem on DataDriven. Write and execute real python code with instant grading.
- Domain
- Python
- Difficulty
- medium
- Seniority
- junior, mid
Problem
Given a list that contains a mix of integers and nested lists of integers, return a flat list containing all integers in order. Only one level of nesting needs to be handled - you do not need to recurse into deeper nesting.
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.