Once the application is ready we can start it enter the main event loop with the mainloop method. This will act as the window for our application. Using as tk isn't strictly necessary but we will use it so the rest of this example will work the same for both version. Let's test our basic knowledge of tkinter by creating the classic 'Hello, World! Python 3.8.2 documentationįirst, we must import tkinter, this will vary based on version see remarks section about 'Differences between Python 2 and 3'. The following is a typical set of import statements for python 3. For example, the following shows a typical set of import statements for python 2.Īlthough functionality did not change much between python 2 and 3, the names of all of the tkinter modules have changed. Tkinter is largely unchanged between python 2 and python 3, with the major difference being that the tkinter package and modules were renamed. As a learning tool, tkinter has some features that are unique among GUI toolkits, such as named fonts, bind tags, and variable tracing. It works out of the box on most platforms linux, OSX, Windowsand comes complete with a wide range of widgets necessary for most common tasks buttons, labels, drawing canvas, multiline text, etc. Tkinter's greatest strength is its ubiquity and simplicity. Tkinter isn't the only GUI library for python, but it is the one that comes standard. It provides access to an underlying Tcl interpreter with the Tk toolkit, which itself is a cross-platform, multilanguage graphical user interface library. Tkinter ' Tk Inter face' is python's standard cross-platform package for creating graphical user interfaces GUIs.

Tkinter documentation pdf