Radiobuttons demonstration set Font in Text，,from Tkinter

Radiobuttons demonstration set Font in Text，,from Tkinter

from Tkinter import *class RadioFont( Frame ):   def __init__( self ):      Frame.__init__( self )      self.pack( expand = YES, fill = BOTH )      self.master.title( 'Radiobutton Demo' )       self.frame1 = Frame( self )      self.frame1.pack()      self.text = Entry( self.frame1, width = 40, font = 'Arial 10' )      self.text.insert( INSERT, 'Font Font Font' )      self.text.pack( padx = 5, pady = 5 )      self.frame2 = Frame( self )      self.frame2.pack()      fontSelections = [ 'Plain', 'Bold', 'Italic', 'Bold/Italic' ]      self.chosenFont = StringVar()      self.chosenFont.set( fontSelections[ 0 ] )       for style in fontSelections:         aButton = Radiobutton( self.frame2, text = style,            variable = self.chosenFont, value = style,            command = self.changeFont )         aButton.pack( side = LEFT, padx = 5, pady = 5 )   def changeFont( self ):      desiredFont = 'Arial 10'      if self.chosenFont.get() == 'Bold':         desiredFont += ' bold'      elif self.chosenFont.get() == 'Italic':         desiredFont += ' italic'      elif self.chosenFont.get() == 'Bold/Italic':         desiredFont += ' bold italic'      self.text.config( font = desiredFont )def main():   RadioFont().mainloop()if __name__ == '__main__':   main()