tkinter The Tkinter Radiobutton widget

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  • radiobutton = tk.Radiobutton(parent, **kwargs)


parenttkinter widgets exist in a hierarchy. Except for the root window, all widgets have a parent. Some online tutorials call this "master". When the widget is added to the screen with pack, place or grid, it will appear inside this parent widget.
commandfunction called each time the user changes the state of the radiobutton
indicatoron1 or True for radio buttons, 0 or False for button boxes
textText to display next to the radiobutton.
valueWhen the radiobutton is selected, the associated control variable is set to value.
variableControl variable the radiobutton shares with the other radiobutton of the group.


These examples assume that tkinter has been imported with either import tkinter as tk (python 3) or import Tkinter as tk (python 2).


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To turn the above example into a “button box” rather than a set of radio buttons, set the indicatoron option to 0. In this case, there’s no separate radio button indicator, and the selected button is drawn as SUNKEN instead of RAISED:

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Got any tkinter Question?