I started learning Python not because I wanted to become a software developer, but because I kept hitting walls in Excel. I work in data analytics and business intelligence, and my career has cut across fintech, payments platforms, KYC/AML compliance, and securities brokerage. In every one of those roles, there came a point where a spreadsheet could not do what I needed — whether that was cleaning 50,000 rows of messy transaction records, automating a daily reconciliation report, or pulling data from an API that only spoke JSON.

Python was the tool that removed those walls. This article is written for people in a similar position: you work with data, you are comfortable with spreadsheets, and you are wondering whether Python is worth the investment. It is.

What Python Actually Is

Python is a general-purpose programming language created by Guido van Rossum and first released in 1991.…