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Alarm every 1000 milliseconds

from Tkinter  import *       class Alarm(Frame):     def repeater(self):                                   self.bell()                                       self.stopper.flash()                              self.after(self.msecs, self.repeater)         def __init__(self, msecs=1000):                       Frame.__init__(self)         self.msecs = msecs         self.pack()         stopper = Button(self, text='Stop the beeps!', command=self.quit)         stopper.pack()         stopper.config(bg='red', fg='white', bd=2)          self.stopper = stopper         self.repeater()       Alarm(msecs=1000).mainloop()