Last Updated : 12 Jul, 2025
Tkinter is the Python GUI framework that is build into the Python standard library. Out of all the GUI methods, tkinter is the most commonly used method as it provides the fastest and the easiest way to create the GUI application.
Creating the Hello World program in TkinterLets start with the 'hello world' tutorial. Here is the explanation for the first program in tkinter:
from tkinter import *
In Python3 firstly we import all the classes, functions and variables from the tkinter package.
root=Tk()
Now we create a root widget, by calling the Tk(). This automatically creates a graphical window with the title bar, minimize, maximize and close buttons. This handle allows us to put the contents in the window and reconfigure it as necessary.
a = Label(root, text="Hello, world!")
Now we create a Label widget as a child to the root window. Here root is the parent of our label widget. We set the default text to "Hello, World!"
Note: This gets displayed in the window. A Label widget can display either text or an icon or other image.a.pack()Next, we call the pack() method on this widget. This tells it to size itself to fit the given text, and make itself visible.It just tells the geometry manager to put widgets in the same row or column. It's usually the easiest to use if you just want one or a few widgets to appear.
root.mainloop()The application window does not appear before you enter the main loop. This method says to take all the widgets and objects we created, render them on our screen, and respond to any interactions. The program stays in the loop until we close the window.
Below is the implementation.
python3
# Python tkinter hello world program
from tkinter import *
root = Tk()
a = Label(root, text ="Hello World")
a.pack()
root.mainloop()
Output:
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HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4