tk_lesson8(Radio Button).py

from tkinter import *
from tkinter import ttk


COLOR1 = "blue"
COLOR2 = "Red"
COLOR3 = "Gold"

class Root(Tk):
    def __init__(self):
        super(Root, self).__init__()
        self.title("Tkinter Radio Button")
        self.minsize(640, 400)

        self.radioButton()

    def radioEvent(self):
        radSelected = self.radValues.get()

        if radSelected == 1:
            self.configure(background = COLOR1)

        elif radSelected == 2:
            self.configure(background = COLOR2)

        elif radSelected == 3:
            self.configure(background = COLOR3)


    def radioButton(self):

        self.radValues = IntVar()

        red1 = ttk.Radiobutton(self, text = COLOR1, value =1, variable = self.radValues, command = self.radioEvent)
        red1.grid(column = 0, row = 0, sticky = W, columnspan = 3)

        red2 = ttk.Radiobutton(self, text = COLOR2, value =2, variable = self.radValues, command = self.radioEvent)
        red2.grid(column = 0, row = 1, sticky = W, columnspan = 3)

        red3 = ttk.Radiobutton(self, text = COLOR3, value =3, variable = self.radValues, command = self.radioEvent)
        red3.grid(column = 0, row = 2, sticky = W, columnspan = 3)



if __name__ == "__main__":
    root = Root()
    root.mainloop()