Python TXT-to-CSV Logger

I have a set of TXT files that I will provide in a single batch. Each file mixes free-form text with numeric values. I need a clean, well-commented Python script that reads every file, extracts the relevant lines or fields, and writes everything into a consolidated CSV... (Budget: $30 - $250 USD, Jobs: Automation, Data Analysis, Data Extraction, Data Processing, PHP, Programming, Python, Scripting, Software Architecture, Web Scraping)