Topic: Pandas
Difficulty: Intermediate

Problem

Write a solution for Pandas Exercise #11:

Implement a function solve_pandas_11(data) that processes the input according to pandas concepts from the curriculum.

Example input: data = [pandas_example_11]
Expected: A transformed result demonstrating pandas skills.

Constraints

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

Hint

Hint

Review Pandas 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_pandas_11([]) is not None  # define expected behavior

Next exercise: Pandas Exercise #12