Additon of python parser - #30

Add the python parser and make the pull request before but wanted to change some code used for optimization. Change and create some constants function isn the costants.ts file for python parser.

Details:

• Implemented PythonParser using Tree-sitter to parse Python code and extract syntactic contexts.
• Designed to align with the existing JavascriptParser for seamless integration into the AI agent.
• Accurately identifies enclosing functions or scopes, enhancing the agent’s ability to analyze Python code changes.