Part 5A - CSV and Excel Fundamentals Using ChatGPT Scripts

Author

Yahya Nazer

Published

2026.06.18

Part 5A - CSV and Excel Fundamentals Using ChatGPT Scripts

Chapters

  1. Understanding CSV and Excel Files
  2. Reading a CSV File
  3. Writing a CSV File
  4. Reading an Excel File

Purpose

Learn how to use ChatGPT scripts to generate Python programs that work with CSV and Excel files.

Standard Workflow

Business Problem → ChatGPT Script → Generated Python Program → Test → Improve Script → Improve Program

Chapter 1 - Understanding CSV and Excel Files

  • What is CSV
  • What is XLSX
  • Advantages and disadvantages
  • Business examples

Chapter 2 - Reading a CSV File

Program: Read-CSV.py

Topics: - pandas - read_csv() - row counts - column counts

Chapter 3 - Writing a CSV File

Program: Write-CSV.py

Topics: - DataFrame - to_csv() - UTF-8 output

Chapter 4 - Reading Excel Files

Program: Read-Excel.py

Topics: - read_excel() - worksheets - summaries

Part 5A Review

  • Read CSV
  • Write CSV
  • Read Excel
  • Improve ChatGPT scripts