파이썬 tkinter 라디오버튼 위젯

#=======================================
# imports
#=======================================

import tkinter as tk
from tkinter import ttk

# Create instance

win = tk.Tk()

# Add a title
win.title("Python GUI")


# Adding a Label
a_label = ttk.Label(win, text="A label")
a_label.grid(column =0, row =0)



# Button Click Event Function
def click_me():
    action.configure(text ="hello "+ name.get()+ "  " + number_chosen.get())

# Change our Label
ttk.Label(win, text ="Enter a name :").grid(column =0, row =0)



# Adding a text box Entry widget
name = tk.StringVar()
name_entered = ttk.Entry(win, width =12, textvariable= name)
name_entered.grid(column =0, row =1)

# Adding a button
action = ttk.Button(win, text = "Click me!", command = click_me)
action.grid(column =2, row =1)

ttk.Label(win, text ="choose a number: ").grid(column =1, row=0)
number = tk.StringVar()
number_chosen = ttk.Combobox(win, width =12, textvariable = number, state ="readonly")
number_chosen['value'] =(1,2,4,42,100)
number_chosen.grid(column =1, row =1)
number_chosen.current(0)
# Creating three checkbuttons
chVarDis = tk.IntVar()
check1 = tk.Checkbutton(win, text ="Disalbed", variable = chVarDis, state ="disabled")
check1.select()
check1.grid(column =0, row =4, sticky =tk.W)

chVarUn = tk.IntVar()
check2 = tk.Checkbutton(win, text ="Unchecked", variable = chVarUn)
check2.deselect()
check2.grid(column =1, row =4, sticky =tk.W)

chVarEn = tk.IntVar()
check3 = tk.Checkbutton(win, text ="Enalbed", variable = chVarEn)
check3.select()
check3.grid(column =2, row =4, sticky =tk.W)













# Radiobutton Globals
COLOR1 = "Blue"
COLOR2 = "Gold"
COLOR3 = "Red"

# RadioButton Callback
def radCall() :
    radSel = radVar.get()
    if radSel   == 1  : win.configure(background = COLOR1) 
    elif radSel == 2  : win.configure(background = COLOR2)   
    elif radSel == 3  : win.configure(background = COLOR3) 
    
#create three Radiobuttons using one variable
radVar = tk.IntVar()

rad1 = tk.Radiobutton(win, text = COLOR1, variable = radVar, value =1, command = radCall)
rad1.grid(column= 0, row =5, sticky = tk.W , columnspan =3)

rad2 = tk.Radiobutton(win, text = COLOR2, variable = radVar, value =2, command = radCall)
rad2.grid(column= 1, row =5, sticky = tk.W , columnspan =3)

rad3 = tk.Radiobutton(win, text = COLOR3, variable = radVar, value =3, command = radCall)
rad3.grid(column= 2, row =5, sticky = tk.W , columnspan =3)

name_entered.focus()
#=======================================
# Start GUI
#=======================================
win.mainloop()