Solve mutable and immutable task

[NoDraft-ai]

Implemented the sorted_variables dictionary, separating mutable and immutable variables according to their data types.

[mateacademy-ai-mentor]

Review Summary

This requires changes because the CI is failing due to a linting error, which blocks task completion even though the functionality is correct. Your sorted_variables dictionary is implemented correctly: all eight variables are present and properly classified under the exact keys mutable and immutable. However, flake8 reports W292 at app/main.py:32:2 (no newline at end of file), which stops the pipeline.

Critical issues to fix:

• app/main.py:32:2 — W292 no newline at end of file. Add exactly one trailing newline at the end of the file to satisfy the linter.

Minor (non-blocking) suggestion:

• Remove any unnecessary trailing commas for cleaner style, though this does not affect correctness.

Once the final newline is added, the lint step should pass and the rest of the checks can run. Nice job on the correct classification and adherence to the required keys.

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