🧹 Remove unused 're' import in Q5.py

[ManupaKDU]

🎯 What: Removed the unused import re statement from Learning/Part-1/Python/Q5.py.
💡 Why: The re module was imported but never used anywhere in the file. Removing unused imports improves code readability, reduces namespace clutter, and conceptually slightly speeds up module initialization.
✅ Verification: Verified via python3 -m py_compile that the script syntax remains valid. Ran the repository test suite to confirm no regressions occurred. Cleaned up compiled binary files generated during tests so they aren't tracked.
✨ Result: A cleaner script that only imports the modules it actively requires.

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PR created automatically by Jules for task 13725669920157673328 started by @ManupaKDU

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