Clarify exercise instructions and align with test expectations

[Shivam2010710]

Problem

There appears to be inconsistent behavior/documentation in the Python track that may confuse learners and maintainers.

Expected Behavior

The exercise instructions, tests, and examples should align consistently so users can clearly understand the expected implementation requirements.

Actual Behavior

Some exercises contain ambiguous wording or edge cases that are not reflected clearly in the tests or mentor guidance.

Steps to Reproduce

1. Open the affected exercise
2. Follow the provided instructions
3. Run the tests
4. Observe mismatches between instructions and expected outputs

Suggested Improvement

• Clarify the exercise description
• Add explicit examples for edge cases
• Ensure tests reflect documented expectations
• Update mentoring notes if necessary

Additional Context

This would improve the learning experience for new contributors and reduce confusion during submissions.

[github-actions]

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