3 from tkinter import *
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7 def __init__(self,master):
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8 self.frame = Frame(master)
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11 self.run = Button(self.frame,image="play.bmp",command=self.runSimulation)
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12 self.run.pack(side=LEFT)
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14 def runSimulation(self):
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15 self.run.config(text="Pause", command=self.pauseSimulation)
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17 def pauseSimulation(self):
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18 self.run.config(text="Run", command=self.runSimulation)
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20 if __name__ == "__main__":
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