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 Learning Python GUI programming involves using libraries like Tkinter, PyQt, or wxPython to create graphical user interfaces for your applications. In this step-by-step guide, we'll use Tkinter as it comes with Python by default and is easy to get started with: Tkinter is a powerful GUI library in Python with a wide range of widgets and functionalities. Here's an overview of some common options and widgets in Tkinter, along with examples: 1. Basic Window Creation: ```python import tkinter as tk root = tk.Tk() root.title("My Window") root.geometry("400x300") root.mainloop() ``` 2. Labels: ```python import tkinter as tk root = tk.Tk() label1 = tk.Label(root, text="Hello, Tkinter!") label1.pack() label2 = tk.Label(root, text="This is a label with a background color.", bg="yellow") label2.pack() root.mainloop() ``` 3. Buttons: ```python import tkinter as tk def on_button_click():     label.config(text="Button clicked!") r...