What is tkinter in python?
Tkinter is a standard GUI (Graphical User Interface) library for Python. It is a built-in module that comes with Python and allows programmers to create windows, dialogs, buttons, menus, and other GUI elements for their Python applications.
Tkinter is based on the Tcl/Tk GUI toolkit, which was developed in the 1980s and is still widely used today. It provides a simple and easy-to-use interface for creating graphical applications that run on multiple platforms, including Windows, macOS, and Linux.
Using Tkinter, programmers can create a wide range of GUI applications, from simple calculator programs to complex desktop applications. Tkinter provides a wide range of widgets (GUI elements) that can be used to create buttons, labels, text boxes, check boxes, radio buttons, menus, and many other types of GUI elements.
In addition to providing GUI elements, Tkinter also provides various layout managers that can be used to arrange these elements in a visually appealing and functional way. Tkinter is a popular choice for Python GUI development because it is easy to learn and use, and it provides a wide range of functionality that can be customized to suit the needs of different applications.
import tkinter as tk
# Create a new window
window = tk.Tk()
# Set the window title
window.title("My App")
# Create a label widget
label = tk.Label(window, text="Hello, Tkinter!")
# Create a button widget
button = tk.Button(window, text="Click me!")
# Add the label and button widgets to the window
label.pack()
button.pack()
# Start the main event loop
window.mainloop()
In this example, we first import the tkinter module using the as keyword to give it an alias (tk). We then create a new window using the Tk() function and set its title using the title() method.
Next, we create a label widget using the Label() function and a button widget using the Button() function. We pass the window object as the first argument to both functions to indicate that these widgets should be added to the window.
Finally, we add the label and button widgets to the window using the pack() method, which arranges the widgets in a default layout. We then start the main event loop using the mainloop() method, which waits for user input and updates the window when necessary.
This is just a simple example, but Tkinter provides many more features for creating complex and interactive GUI applications in Python.