Topic: Dictionaries
Difficulty: Beginner

Problem

Write a solution for Dictionaries Exercise #9:

Implement a function solve_dicts_9(data) that processes the input according to dictionaries concepts from the curriculum.

Example input: data = [dictionaries_example_9]
Expected: A transformed result demonstrating dictionaries skills.

Constraints

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

Hint

Hint

Review Dictionaries 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_dicts_9([]) is not None  # define expected behavior

Next exercise: Dictionaries Exercise #10