Скачать или смотреть Flask Expense Tracker #14 – Add Category Pie Chart (Backend Code – Part 1)

👉 Full Expense Tracker Course -    • Flask Expense Tracker – Python Web App wit...  
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Welcome to the Flask Expense Tracker series! 🚀
We’re building a full Python web app with Flask, SQLite, Tailwind CSS, and Chart.js step by step.

👉 In this lesson: Add Category Pie Chart (Backend Code – Part 1) – Use SQLAlchemy group_by to calculate totals by category.

By following along, you’ll learn how to:
Build real-world Flask apps from scratch
Use SQLAlchemy with SQLite for persistent storage
Add forms, filters, and analytics to your app
Style everything with Tailwind for a modern UI
Visualize data with Chart.js
This project is perfect for beginners learning Flask and Python web development.