Refactor ASTx to Python Transpiler: Combine Node Handlers

[nagajaideep]

Pull Request description

This PR resolves several failing tests in the ASTx Python transpiler and improves literal node handling.

Key changes:
-unified all redundant nodes(literalint,int etc)

• Updated test assertions to match the new literal node handler outputs.
• Added test_new_implementation.py to verify the new AST-based implementation.

---

How to test these changes

• Run pytest in the libs/astx-transpilers/tests directory to ensure all tests pass.

---

Pull Request checklists

Note:

• Share updated images of the graph representation of the new ASTx node
  proposed in this PR, in both image and ASCII formats. For more
  information, check this Google Colab notebook:
  https://colab.research.google.com/drive/1xXwHmOMkJKFSmhRvn4WYfSAsdDzMnawf?usp=sharing

This PR is a:

• bug-fix
• new feature
• maintenance

About this PR:

• it includes tests.
• the tests are executed on CI.
• the tests generate log file(s) (path).
• pre-commit hooks were executed locally.
• this PR requires a project documentation update.

Author's checklist:

• I have reviewed the changes and it contains no misspelling.
• The code is well commented, especially in the parts that contain more
  complexity.
• New and old tests passed locally.

---

Additional information

No screenshots are required as this PR focuses on backend logic and test fixes.

---

Reviewer's Checklist

• I managed to reproduce the problem locally from the main branch
• I managed to test the new changes locally
• I confirm that the issues mentioned were

[review-notebook-app]

Check out this pull request on 

See visual diffs & provide feedback on Jupyter Notebooks.

---

Powered by ReviewNB