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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 getMouse(self):
 """ Waits for a mouse click. """

        # FIXME: this isn't working during an executing cell
        self.mouse_x.value = -1
        self.mouse_y.value = -1
        while self.mouse_x.value == -1 and self.mouse_y.value == -1:
            time.sleep(.1)
        return (self.mouse_x.value, self.mouse_y.value)