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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def ok(self):
 """Validate color selection and destroy dialog."""

        rgb, hsv, hexa = self.square.get()
        if self.alpha_channel:
            hexa = self.hexa.get()
            rgb += (self.alpha.get(),)
        self.color = rgb, hsv, hexa
        self.destroy()