66 Python Flet Chart Tutorial: Build a Sales vs Expenses Dashboard

In this tutorial, we build a business dashboard in Python using Flet charts. Starting from the CSV data we prepared in the previous lesson, we transform sales and expense data into a fully interactive bar chart visualization.

Instead of static charts, you'll learn how to create modern UI dashboards using Python, complete with tooltips, grouped bar charts, legends, and axis labels.

This tutorial is part of the free course: Industry Projects with Python, designed to help students move from classroom Python to real-world development skills.

What You'll Learn

How to visualize CSV data in Python

How to build grouped bar charts using Flet Charts

Using Python generator expressions to calculate max values

Formatting axis labels with floor division (1k, 2k, 3k formatting)

Using enumerate() to iterate with index + values

Creating tooltips with Python f-strings

Designing a simple business dashboard layout

Adding chart legends, labels, and styling

Technologies Used

Python

Flet UI framework

Flet Charts

CSV data parsing

Python type hints

Generator expressions

F-strings

Dashboard Features Built in This Lesson

Sales vs Expenses grouped bar chart

Mouse-over tooltips showing values

Monthly axis labels

Y-axis value scaling (1k, 2k, 3k format)

Business dashboard totals (sales, expenses, profit)

Color-coded legend

Chart container styling

Free Course

Full course with code and projects:

Industry Projects with Python
https://industry-python.thinkific.com/products/courses/industry-projects-with-python

This course teaches Python through real industry-style projects, including:

Python UI development

Data visualization dashboards

AI applications

Vector databases

FastAPI backends

modern Python tooling

Who This Course Is For

Computer science students

Self-taught developers

Internship-bound programmers

Anyone wanting to build real Python projects

Видео 66 Python Flet Chart Tutorial: Build a Sales vs Expenses Dashboard канала Oppkey