def main():
root = Tk()
a = Alarm(root)
a.pack(side="bottom")
textbox = Entry(root)
textbox.pack(side="left")
start = Button(root, text="Start",command= lambda: a.startTimer(int(textbox.get()), start, stop, textbox))
start.pack(side="left")
stop = Button(root, text="Stop",command= lambda: a.stop(start,stop))
stop.config(state="disabled")
stop.pack(side="left")
reset = Button(root, text="Reset", command= lambda: a.reset(start,stop,textbox))
reset.pack(side="left")
root.mainloop()
