CSV Data Processing Script Development

I'm looking for a skilled programmer who can help me with a script that imports a CSV file, processes numeric data, and exports an updated CSV file.

Key Requirements:
- Add new numeric values to the CSV file
- Modify existing numeric values in the CSV file

Ideal Skills:
- Proficiency in data handling and manipulation
- Experience with CSV files and scripting languages (Python, R, etc.)
- Strong problem-solving skills to ensure accurate data processing and updating.


Check files attchment