v0

Updated the `fetch_metrics_for_month` function to call the Yahoo Finance API and retrieve metrics.

Implemented a function to fetch metrics for a specific ticker over a given month and year.

Added a new script to fetch metrics.

Added a use case function to fetch and save sentiment data to a CSV file in `api_test.py`.

Added unit tests for sentiment retrieval and CSV saving functionality.

Updated the CSV writing logic to correctly include the title and body layers from sentiments.

Updated sentiment CSV saving logic to include title and body scores and changed file path structure.

Added functionality to save sentiments to a CSV file after fetching news data.

Added a function to check if news data is already fetched before attempting to fetch it again.

Extracted sentiments from stories in the `get_sentiment` function.

Refactored the fetch_news function and updated the loop_fetch_news logic for improved clarity and functionality.

Improved the efficiency of `loop_fetch_news` by reducing API calls and fixing variable scope issues.

Updated the comment in the fetch_news function to clarify the iteration over months.

Refactored the fetch_news function to accept single month and ticker parameters for improved clarity.