Deselect for radio buttons simply sets the button's associated value to a null string : Radiobutton « Tkinker « Python Tutorial

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Python Tutorial » Tkinker » Radiobutton   18. 26. 3. Deselect for radio buttons simply sets the button's associated value to a null string from Tkinter import *       state = '' buttons = []       def onPress(i):     global state     state = i     for btn in buttons:         btn.deselect()     buttons[i].select()       root = Tk() for i in range(10):     rad = Radiobutton(root, text=str(i),                              value=str(i), command=(lambda i=i: onPress(i)) )     rad.pack(side=LEFT)     buttons.append(rad) root.mainloop() print state 18. 26. Radiobutton 18. 26. 1.  Radio buttons, the easy way 18. 26. 2.  Hold on to your radio variables (an obscure thing, indeed) 18. 26. 3.  Deselect for radio buttons simply sets the button's associated value to a null string 18. 26. 4.  See what happens when some buttons have same value 18. 26. 5.  Add RadioButton to a group 18. 26. 6.  Bind variable to RadioButton 18. 26. 7.  Radio button bar 18. 26. 8.  Use Radio buttons to change the font

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