from Tkinter import * # shows how to make a slider, set and get its value under program control class Test(Frame): def print_value(self, val): print "slider now at", val def reset(self): self.slider.set(0) def createWidgets(self): self.slider = Scale(self, {"from" : 0, 'to': 100, "orient" : "horizontal", "length" : "3i", "label" : "happy slider", 'command' : self.print_value}) self.reset = Button(self, {'text': 'reset slider', 'command': self.reset}) self.QUIT = Button(self, {'text': 'QUIT', 'fg': 'red', 'command': self.quit}) self.slider.pack({'side': 'left'}) self.reset.pack({'side': 'left'}) self.QUIT.pack({'side': 'left', 'fill': 'both'}) def __init__(self, master=None): Frame.__init__(self, master) Pack.config(self) self.createWidgets() test = Test() test.mainloop()