Day 28: Basic GUI Development with Tkinter
🐍 Day 28: Basic GUI Development with Tkinter 1. Learning Objectives By the end of Day 28, you will be able to: Understand event‑driven programming and how GUIs differ from console apps Create windows, labels, buttons, entry fields, and text areas with Tkinter Arrange widgets using geometry managers ( pack , grid , place ) Respond to user interactions with event handlers and callbacks Build a fully functional desktop application (calculator, to‑do list) Style widgets with colours, fonts, and padding 2. Concept Explanation 2.1 What is Tkinter? — Python's Built‑in GUI Toolkit Tkinter is Python's standard GUI (Graphical User Interface) library. It's a thin wrapper around Tcl/Tk , which has been battle‑tested for decades. Tkinter ships with every Python installation — no extra installs needed. Why Tkinter? Strength Detail Built‑in Works out of the box with any Python install Cross‑platform Windows, macOS, Linux — same code Simple Ideal for learning GUI ...