Topic: Functions
Difficulty: Advanced

Problem

Write a solution for Functions Exercise #27:

Implement a function solve_functions_27(data) that processes the input according to functions concepts from the curriculum.

Example input: data = [functions_example_27]
Expected: A transformed result demonstrating functions skills.

Constraints

  • Use idiomatic Python 3.10+
  • Handle empty input gracefully
  • Do not mutate input unless specified

Hint

Hint

Review Functions exercises and the related chapter in the Learning Path. Consider edge cases: empty collections, None, zero, negative numbers.

Test Yourself 

  # Write tests before implementing
assert solve_functions_27([]) is not None  # define expected behavior

Next exercise: Functions Exercise #28